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Finding the Fourth Proportional to 616,129.92, 924,220.80 and 300,864.96

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Solution

The fourth proportional to 616,129.92, 924,220.80 and 300,864.96 is: 451,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,129.92 : 924,220.80 = 300,864.96 : x
  2. Step 2: Convert to fraction form
    616,129.92/924,220.80 = 300,864.96/x
  3. Step 3: Cross multiply
    616,129.92x = 924,220.80 × 300,864.96
  4. Step 4: Simplify right side
    616,129.92x = 278,065,654,023.17
  5. Step 5: Solve for x
    x = 278,065,654,023.17/616,129.92
  6. Step 6: Final answer
    x = 451,310.10

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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.