Home / 996,521.20-1,494,781.80-491,178.40

Finding the Fourth Proportional to 996,521.20, 1,494,781.80 and 491,178.40

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Solution

The fourth proportional to 996,521.20, 1,494,781.80 and 491,178.40 is: 736,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,521.20 : 1,494,781.80 = 491,178.40 : x
  2. Step 2: Convert to fraction form
    996,521.20/1,494,781.80 = 491,178.40/x
  3. Step 3: Cross multiply
    996,521.20x = 1,494,781.80 × 491,178.40
  4. Step 4: Simplify right side
    996,521.20x = 734,204,532,873.12
  5. Step 5: Solve for x
    x = 734,204,532,873.12/996,521.20
  6. Step 6: Final answer
    x = 736,767.60

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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.