Home / 775,343.28-1,069,816.92-452,991.12

Finding the Fourth Proportional to 775,343.28, 1,069,816.92 and 452,991.12

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Solution

The fourth proportional to 775,343.28, 1,069,816.92 and 452,991.12 is: 625,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,343.28 : 1,069,816.92 = 452,991.12 : x
  2. Step 2: Convert to fraction form
    775,343.28/1,069,816.92 = 452,991.12/x
  3. Step 3: Cross multiply
    775,343.28x = 1,069,816.92 × 452,991.12
  4. Step 4: Simplify right side
    775,343.28x = 484,617,564,785.75
  5. Step 5: Solve for x
    x = 484,617,564,785.75/775,343.28
  6. Step 6: Final answer
    x = 625,036.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.