Home / 656,427.68-984,641.20-157,791.52

Finding the Fourth Proportional to 656,427.68, 984,641.20 and 157,791.52

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Solution

The fourth proportional to 656,427.68, 984,641.20 and 157,791.52 is: 236,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,427.68 : 984,641.20 = 157,791.52 : x
  2. Step 2: Convert to fraction form
    656,427.68/984,641.20 = 157,791.52/x
  3. Step 3: Cross multiply
    656,427.68x = 984,641.20 × 157,791.52
  4. Step 4: Simplify right side
    656,427.68x = 155,368,031,602.62
  5. Step 5: Solve for x
    x = 155,368,031,602.62/656,427.68
  6. Step 6: Final answer
    x = 236,687.20

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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.