Home / 989,885.97-1,366,042.62-537,176.97

Finding the Fourth Proportional to 989,885.97, 1,366,042.62 and 537,176.97

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Solution

The fourth proportional to 989,885.97, 1,366,042.62 and 537,176.97 is: 741,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,885.97 : 1,366,042.62 = 537,176.97 : x
  2. Step 2: Convert to fraction form
    989,885.97/1,366,042.62 = 537,176.97/x
  3. Step 3: Cross multiply
    989,885.97x = 1,366,042.62 × 537,176.97
  4. Step 4: Simplify right side
    989,885.97x = 733,806,635,502.46
  5. Step 5: Solve for x
    x = 733,806,635,502.46/989,885.97
  6. Step 6: Final answer
    x = 741,304.21

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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.