Home / 721,251.68-1,079,123.04-630,625.10

Finding the Fourth Proportional to 721,251.68, 1,079,123.04 and 630,625.10

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Solution

The fourth proportional to 721,251.68, 1,079,123.04 and 630,625.10 is: 943,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,251.68 : 1,079,123.04 = 630,625.10 : x
  2. Step 2: Convert to fraction form
    721,251.68/1,079,123.04 = 630,625.10/x
  3. Step 3: Cross multiply
    721,251.68x = 1,079,123.04 × 630,625.10
  4. Step 4: Simplify right side
    721,251.68x = 680,522,069,616.69
  5. Step 5: Solve for x
    x = 680,522,069,616.69/721,251.68
  6. Step 6: Final answer
    x = 943,529.27

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Double scale
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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.