Home / 428,910.60-591,848.88-237,876.12

Finding the Fourth Proportional to 428,910.60, 591,848.88 and 237,876.12

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Solution

The fourth proportional to 428,910.60, 591,848.88 and 237,876.12 is: 328,242.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,910.60 : 591,848.88 = 237,876.12 : x
  2. Step 2: Convert to fraction form
    428,910.60/591,848.88 = 237,876.12/x
  3. Step 3: Cross multiply
    428,910.60x = 591,848.88 × 237,876.12
  4. Step 4: Simplify right side
    428,910.60x = 140,786,715,200.75
  5. Step 5: Solve for x
    x = 140,786,715,200.75/428,910.60
  6. Step 6: Final answer
    x = 328,242.56

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1.5x scale

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.