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Finding the Fourth Proportional to 610,609.89, 842,607.24 and 338,658.27

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Solution

The fourth proportional to 610,609.89, 842,607.24 and 338,658.27 is: 467,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,609.89 : 842,607.24 = 338,658.27 : x
  2. Step 2: Convert to fraction form
    610,609.89/842,607.24 = 338,658.27/x
  3. Step 3: Cross multiply
    610,609.89x = 842,607.24 × 338,658.27
  4. Step 4: Simplify right side
    610,609.89x = 285,355,910,187.88
  5. Step 5: Solve for x
    x = 285,355,910,187.88/610,609.89
  6. Step 6: Final answer
    x = 467,329.33

Related Problems

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Half scale
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Double scale
Find fourth proportional to 610,610.89, 842,608.62 and 338,659.27
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.