Home / 787,510.10-1,182,431.55-610,217.30

Finding the Fourth Proportional to 787,510.10, 1,182,431.55 and 610,217.30

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Solution

The fourth proportional to 787,510.10, 1,182,431.55 and 610,217.30 is: 916,229.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,510.10 : 1,182,431.55 = 610,217.30 : x
  2. Step 2: Convert to fraction form
    787,510.10/1,182,431.55 = 610,217.30/x
  3. Step 3: Cross multiply
    787,510.10x = 1,182,431.55 × 610,217.30
  4. Step 4: Simplify right side
    787,510.10x = 721,540,187,875.82
  5. Step 5: Solve for x
    x = 721,540,187,875.82/787,510.10
  6. Step 6: Final answer
    x = 916,229.76

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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.