Home / 637,272.20-955,908.30-609,278.60

Finding the Fourth Proportional to 637,272.20, 955,908.30 and 609,278.60

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Solution

The fourth proportional to 637,272.20, 955,908.30 and 609,278.60 is: 913,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,272.20 : 955,908.30 = 609,278.60 : x
  2. Step 2: Convert to fraction form
    637,272.20/955,908.30 = 609,278.60/x
  3. Step 3: Cross multiply
    637,272.20x = 955,908.30 × 609,278.60
  4. Step 4: Simplify right side
    637,272.20x = 582,414,470,752.38
  5. Step 5: Solve for x
    x = 582,414,470,752.38/637,272.20
  6. Step 6: Final answer
    x = 913,917.90

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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.