Home / 752,061.28-1,127,530.86-452,471.65

Finding the Fourth Proportional to 752,061.28, 1,127,530.86 and 452,471.65

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Solution

The fourth proportional to 752,061.28, 1,127,530.86 and 452,471.65 is: 678,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,061.28 : 1,127,530.86 = 452,471.65 : x
  2. Step 2: Convert to fraction form
    752,061.28/1,127,530.86 = 452,471.65/x
  3. Step 3: Cross multiply
    752,061.28x = 1,127,530.86 × 452,471.65
  4. Step 4: Simplify right side
    752,061.28x = 510,175,748,650.12
  5. Step 5: Solve for x
    x = 510,175,748,650.12/752,061.28
  6. Step 6: Final answer
    x = 678,369.92

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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.