Home / 867,074.98-1,298,021.18-524,481.60

Finding the Fourth Proportional to 867,074.98, 1,298,021.18 and 524,481.60

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Solution

The fourth proportional to 867,074.98, 1,298,021.18 and 524,481.60 is: 785,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,074.98 : 1,298,021.18 = 524,481.60 : x
  2. Step 2: Convert to fraction form
    867,074.98/1,298,021.18 = 524,481.60/x
  3. Step 3: Cross multiply
    867,074.98x = 1,298,021.18 × 524,481.60
  4. Step 4: Simplify right side
    867,074.98x = 680,788,222,423.75
  5. Step 5: Solve for x
    x = 680,788,222,423.75/867,074.98
  6. Step 6: Final answer
    x = 785,154.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.