Home / 661,545.18-913,192.02-468,959.49

Finding the Fourth Proportional to 661,545.18, 913,192.02 and 468,959.49

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Solution

The fourth proportional to 661,545.18, 913,192.02 and 468,959.49 is: 647,348.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,545.18 : 913,192.02 = 468,959.49 : x
  2. Step 2: Convert to fraction form
    661,545.18/913,192.02 = 468,959.49/x
  3. Step 3: Cross multiply
    661,545.18x = 913,192.02 × 468,959.49
  4. Step 4: Simplify right side
    661,545.18x = 428,250,063,971.27
  5. Step 5: Solve for x
    x = 428,250,063,971.27/661,545.18
  6. Step 6: Final answer
    x = 647,348.17

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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.