Home / 765,500.01-1,148,253.11-310,099.86

Finding the Fourth Proportional to 765,500.01, 1,148,253.11 and 310,099.86

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Solution

The fourth proportional to 765,500.01, 1,148,253.11 and 310,099.86 is: 465,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,500.01 : 1,148,253.11 = 310,099.86 : x
  2. Step 2: Convert to fraction form
    765,500.01/1,148,253.11 = 310,099.86/x
  3. Step 3: Cross multiply
    765,500.01x = 1,148,253.11 × 310,099.86
  4. Step 4: Simplify right side
    765,500.01x = 356,073,127,105.07
  5. Step 5: Solve for x
    x = 356,073,127,105.07/765,500.01
  6. Step 6: Final answer
    x = 465,151.04

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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.