Home / 861,960.10-1,292,053.01-382,413.74

Finding the Fourth Proportional to 861,960.10, 1,292,053.01 and 382,413.74

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Solution

The fourth proportional to 861,960.10, 1,292,053.01 and 382,413.74 is: 573,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,960.10 : 1,292,053.01 = 382,413.74 : x
  2. Step 2: Convert to fraction form
    861,960.10/1,292,053.01 = 382,413.74/x
  3. Step 3: Cross multiply
    861,960.10x = 1,292,053.01 × 382,413.74
  4. Step 4: Simplify right side
    861,960.10x = 494,098,824,878.90
  5. Step 5: Solve for x
    x = 494,098,824,878.90/861,960.10
  6. Step 6: Final answer
    x = 573,227.03

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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.