Home / 887,314.13-1,331,195.72-247,617.80

Finding the Fourth Proportional to 887,314.13, 1,331,195.72 and 247,617.80

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Solution

The fourth proportional to 887,314.13, 1,331,195.72 and 247,617.80 is: 371,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,314.13 : 1,331,195.72 = 247,617.80 : x
  2. Step 2: Convert to fraction form
    887,314.13/1,331,195.72 = 247,617.80/x
  3. Step 3: Cross multiply
    887,314.13x = 1,331,195.72 × 247,617.80
  4. Step 4: Simplify right side
    887,314.13x = 329,627,755,555.82
  5. Step 5: Solve for x
    x = 329,627,755,555.82/887,314.13
  6. Step 6: Final answer
    x = 371,489.36

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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.