Home / 913,966.43-1,371,229.91-408,952.49

Finding the Fourth Proportional to 913,966.43, 1,371,229.91 and 408,952.49

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Solution

The fourth proportional to 913,966.43, 1,371,229.91 and 408,952.49 is: 613,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,966.43 : 1,371,229.91 = 408,952.49 : x
  2. Step 2: Convert to fraction form
    913,966.43/1,371,229.91 = 408,952.49/x
  3. Step 3: Cross multiply
    913,966.43x = 1,371,229.91 × 408,952.49
  4. Step 4: Simplify right side
    913,966.43x = 560,767,884,012.21
  5. Step 5: Solve for x
    x = 560,767,884,012.21/913,966.43
  6. Step 6: Final answer
    x = 613,554.14

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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.