Home / 774,545.23-1,068,540.85-483,651.78

Finding the Fourth Proportional to 774,545.23, 1,068,540.85 and 483,651.78

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Solution

The fourth proportional to 774,545.23, 1,068,540.85 and 483,651.78 is: 667,232.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,545.23 : 1,068,540.85 = 483,651.78 : x
  2. Step 2: Convert to fraction form
    774,545.23/1,068,540.85 = 483,651.78/x
  3. Step 3: Cross multiply
    774,545.23x = 1,068,540.85 × 483,651.78
  4. Step 4: Simplify right side
    774,545.23x = 516,801,684,105.21
  5. Step 5: Solve for x
    x = 516,801,684,105.21/774,545.23
  6. Step 6: Final answer
    x = 667,232.41

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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.