Home / 739,171.20-1,108,756.80-607,951.20

Finding the Fourth Proportional to 739,171.20, 1,108,756.80 and 607,951.20

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Solution

The fourth proportional to 739,171.20, 1,108,756.80 and 607,951.20 is: 911,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,171.20 : 1,108,756.80 = 607,951.20 : x
  2. Step 2: Convert to fraction form
    739,171.20/1,108,756.80 = 607,951.20/x
  3. Step 3: Cross multiply
    739,171.20x = 1,108,756.80 × 607,951.20
  4. Step 4: Simplify right side
    739,171.20x = 674,070,027,068.16
  5. Step 5: Solve for x
    x = 674,070,027,068.16/739,171.20
  6. Step 6: Final answer
    x = 911,926.80

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Double scale
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Similar ratio
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1.5x scale

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.