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Finding the Fourth Proportional to 610,734.55, 842,914.73 and 338,890.00

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Solution

The fourth proportional to 610,734.55, 842,914.73 and 338,890.00 is: 467,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,734.55 : 842,914.73 = 338,890.00 : x
  2. Step 2: Convert to fraction form
    610,734.55/842,914.73 = 338,890.00/x
  3. Step 3: Cross multiply
    610,734.55x = 842,914.73 × 338,890.00
  4. Step 4: Simplify right side
    610,734.55x = 285,655,371,589.64
  5. Step 5: Solve for x
    x = 285,655,371,589.64/610,734.55
  6. Step 6: Final answer
    x = 467,724.27

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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.