Home / 637,493.76-955,087.04-459,034.56

Finding the Fourth Proportional to 637,493.76, 955,087.04 and 459,034.56

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Solution

The fourth proportional to 637,493.76, 955,087.04 and 459,034.56 is: 687,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,493.76 : 955,087.04 = 459,034.56 : x
  2. Step 2: Convert to fraction form
    637,493.76/955,087.04 = 459,034.56/x
  3. Step 3: Cross multiply
    637,493.76x = 955,087.04 × 459,034.56
  4. Step 4: Simplify right side
    637,493.76x = 438,417,959,168.10
  5. Step 5: Solve for x
    x = 438,417,959,168.10/637,493.76
  6. Step 6: Final answer
    x = 687,721.18

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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.