Home / 758,375.43-1,046,551.65-418,836.39

Finding the Fourth Proportional to 758,375.43, 1,046,551.65 and 418,836.39

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Solution

The fourth proportional to 758,375.43, 1,046,551.65 and 418,836.39 is: 577,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,375.43 : 1,046,551.65 = 418,836.39 : x
  2. Step 2: Convert to fraction form
    758,375.43/1,046,551.65 = 418,836.39/x
  3. Step 3: Cross multiply
    758,375.43x = 1,046,551.65 × 418,836.39
  4. Step 4: Simplify right side
    758,375.43x = 438,333,915,034.54
  5. Step 5: Solve for x
    x = 438,333,915,034.54/758,375.43
  6. Step 6: Final answer
    x = 577,990.66

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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.