Home / 979,761.52-1,468,974.12-498,807.28

Finding the Fourth Proportional to 979,761.52, 1,468,974.12 and 498,807.28

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Solution

The fourth proportional to 979,761.52, 1,468,974.12 and 498,807.28 is: 747,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,761.52 : 1,468,974.12 = 498,807.28 : x
  2. Step 2: Convert to fraction form
    979,761.52/1,468,974.12 = 498,807.28/x
  3. Step 3: Cross multiply
    979,761.52x = 1,468,974.12 × 498,807.28
  4. Step 4: Simplify right side
    979,761.52x = 732,734,985,187.59
  5. Step 5: Solve for x
    x = 732,734,985,187.59/979,761.52
  6. Step 6: Final answer
    x = 747,870.75

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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.