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Finding the Fourth Proportional to 531,337.15, 732,730.15 and 337,402.80

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Solution

The fourth proportional to 531,337.15, 732,730.15 and 337,402.80 is: 465,288.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,337.15 : 732,730.15 = 337,402.80 : x
  2. Step 2: Convert to fraction form
    531,337.15/732,730.15 = 337,402.80/x
  3. Step 3: Cross multiply
    531,337.15x = 732,730.15 × 337,402.80
  4. Step 4: Simplify right side
    531,337.15x = 247,225,204,676.17
  5. Step 5: Solve for x
    x = 247,225,204,676.17/531,337.15
  6. Step 6: Final answer
    x = 465,288.76

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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.