Home / 768,251.20-1,151,685.60-502,139.20

Finding the Fourth Proportional to 768,251.20, 1,151,685.60 and 502,139.20

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Solution

The fourth proportional to 768,251.20, 1,151,685.60 and 502,139.20 is: 752,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,251.20 : 1,151,685.60 = 502,139.20 : x
  2. Step 2: Convert to fraction form
    768,251.20/1,151,685.60 = 502,139.20/x
  3. Step 3: Cross multiply
    768,251.20x = 1,151,685.60 × 502,139.20
  4. Step 4: Simplify right side
    768,251.20x = 578,306,485,835.52
  5. Step 5: Solve for x
    x = 578,306,485,835.52/768,251.20
  6. Step 6: Final answer
    x = 752,757.02

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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.