Home / 676,033.97-932,927.09-370,129.78

Finding the Fourth Proportional to 676,033.97, 932,927.09 and 370,129.78

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Solution

The fourth proportional to 676,033.97, 932,927.09 and 370,129.78 is: 510,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,033.97 : 932,927.09 = 370,129.78 : x
  2. Step 2: Convert to fraction form
    676,033.97/932,927.09 = 370,129.78/x
  3. Step 3: Cross multiply
    676,033.97x = 932,927.09 × 370,129.78
  4. Step 4: Simplify right side
    676,033.97x = 345,304,098,392.36
  5. Step 5: Solve for x
    x = 345,304,098,392.36/676,033.97
  6. Step 6: Final answer
    x = 510,779.21

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1.5x scale

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.