Home / 428,321.04-591,086.53-237,337.62

Finding the Fourth Proportional to 428,321.04, 591,086.53 and 237,337.62

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Solution

The fourth proportional to 428,321.04, 591,086.53 and 237,337.62 is: 327,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,321.04 : 591,086.53 = 237,337.62 : x
  2. Step 2: Convert to fraction form
    428,321.04/591,086.53 = 237,337.62/x
  3. Step 3: Cross multiply
    428,321.04x = 591,086.53 × 237,337.62
  4. Step 4: Simplify right side
    428,321.04x = 140,287,070,244.26
  5. Step 5: Solve for x
    x = 140,287,070,244.26/428,321.04
  6. Step 6: Final answer
    x = 327,527.85

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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.