Home / 428,263.60-591,008.52-237,280

Finding the Fourth Proportional to 428,263.60, 591,008.52 and 237,280

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Solution

The fourth proportional to 428,263.60, 591,008.52 and 237,280 is: 327,449.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,263.60 : 591,008.52 = 237,280 : x
  2. Step 2: Convert to fraction form
    428,263.60/591,008.52 = 237,280/x
  3. Step 3: Cross multiply
    428,263.60x = 591,008.52 × 237,280
  4. Step 4: Simplify right side
    428,263.60x = 140,234,501,625.60
  5. Step 5: Solve for x
    x = 140,234,501,625.60/428,263.60
  6. Step 6: Final answer
    x = 327,449.03

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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.