Home / 750,238.38-1,125,468.27-217,690.20

Finding the Fourth Proportional to 750,238.38, 1,125,468.27 and 217,690.20

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Solution

The fourth proportional to 750,238.38, 1,125,468.27 and 217,690.20 is: 326,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,238.38 : 1,125,468.27 = 217,690.20 : x
  2. Step 2: Convert to fraction form
    750,238.38/1,125,468.27 = 217,690.20/x
  3. Step 3: Cross multiply
    750,238.38x = 1,125,468.27 × 217,690.20
  4. Step 4: Simplify right side
    750,238.38x = 245,003,412,789.95
  5. Step 5: Solve for x
    x = 245,003,412,789.95/750,238.38
  6. Step 6: Final answer
    x = 326,567.42

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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.