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Finding the Fourth Proportional to 440,720.00, 661,162.97 and 314,046.00

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Solution

The fourth proportional to 440,720.00, 661,162.97 and 314,046.00 is: 471,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,720.00 : 661,162.97 = 314,046.00 : x
  2. Step 2: Convert to fraction form
    440,720.00/661,162.97 = 314,046.00/x
  3. Step 3: Cross multiply
    440,720.00x = 661,162.97 × 314,046.00
  4. Step 4: Simplify right side
    440,720.00x = 207,635,581,200.58
  5. Step 5: Solve for x
    x = 207,635,581,200.58/440,720.00
  6. Step 6: Final answer
    x = 471,128.12

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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.