Home / 842,250.26-1,162,171.50-479,681.12

Finding the Fourth Proportional to 842,250.26, 1,162,171.50 and 479,681.12

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Solution

The fourth proportional to 842,250.26, 1,162,171.50 and 479,681.12 is: 661,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,250.26 : 1,162,171.50 = 479,681.12 : x
  2. Step 2: Convert to fraction form
    842,250.26/1,162,171.50 = 479,681.12/x
  3. Step 3: Cross multiply
    842,250.26x = 1,162,171.50 × 479,681.12
  4. Step 4: Simplify right side
    842,250.26x = 557,471,726,752.08
  5. Step 5: Solve for x
    x = 557,471,726,752.08/842,250.26
  6. Step 6: Final answer
    x = 661,883.71

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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.