Home / 428,715.52-591,651.03-237,724.81

Finding the Fourth Proportional to 428,715.52, 591,651.03 and 237,724.81

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Solution

The fourth proportional to 428,715.52, 591,651.03 and 237,724.81 is: 328,073.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,715.52 : 591,651.03 = 237,724.81 : x
  2. Step 2: Convert to fraction form
    428,715.52/591,651.03 = 237,724.81/x
  3. Step 3: Cross multiply
    428,715.52x = 591,651.03 × 237,724.81
  4. Step 4: Simplify right side
    428,715.52x = 140,650,128,105.40
  5. Step 5: Solve for x
    x = 140,650,128,105.40/428,715.52
  6. Step 6: Final answer
    x = 328,073.33

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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.