Home / 732,078.20-1,098,117.30-258,759.80

Finding the Fourth Proportional to 732,078.20, 1,098,117.30 and 258,759.80

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Solution

The fourth proportional to 732,078.20, 1,098,117.30 and 258,759.80 is: 388,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,078.20 : 1,098,117.30 = 258,759.80 : x
  2. Step 2: Convert to fraction form
    732,078.20/1,098,117.30 = 258,759.80/x
  3. Step 3: Cross multiply
    732,078.20x = 1,098,117.30 × 258,759.80
  4. Step 4: Simplify right side
    732,078.20x = 284,148,612,924.54
  5. Step 5: Solve for x
    x = 284,148,612,924.54/732,078.20
  6. Step 6: Final answer
    x = 388,139.70

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Similar ratio
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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.