Home / 476,001.92-656,940.80-272,061.44

Finding the Fourth Proportional to 476,001.92, 656,940.80 and 272,061.44

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Solution

The fourth proportional to 476,001.92, 656,940.80 and 272,061.44 is: 375,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,001.92 : 656,940.80 = 272,061.44 : x
  2. Step 2: Convert to fraction form
    476,001.92/656,940.80 = 272,061.44/x
  3. Step 3: Cross multiply
    476,001.92x = 656,940.80 × 272,061.44
  4. Step 4: Simplify right side
    476,001.92x = 178,728,255,397.74
  5. Step 5: Solve for x
    x = 178,728,255,397.74/476,001.92
  6. Step 6: Final answer
    x = 375,478.02

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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.