Home / 782,229.17-1,079,387.03-438,017.24

Finding the Fourth Proportional to 782,229.17, 1,079,387.03 and 438,017.24

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Solution

The fourth proportional to 782,229.17, 1,079,387.03 and 438,017.24 is: 604,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,229.17 : 1,079,387.03 = 438,017.24 : x
  2. Step 2: Convert to fraction form
    782,229.17/1,079,387.03 = 438,017.24/x
  3. Step 3: Cross multiply
    782,229.17x = 1,079,387.03 × 438,017.24
  4. Step 4: Simplify right side
    782,229.17x = 472,790,127,772.40
  5. Step 5: Solve for x
    x = 472,790,127,772.40/782,229.17
  6. Step 6: Final answer
    x = 604,413.83

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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.