Home / 428,318.04-591,082.39-237,334.62

Finding the Fourth Proportional to 428,318.04, 591,082.39 and 237,334.62

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Solution

The fourth proportional to 428,318.04, 591,082.39 and 237,334.62 is: 327,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,318.04 : 591,082.39 = 237,334.62 : x
  2. Step 2: Convert to fraction form
    428,318.04/591,082.39 = 237,334.62/x
  3. Step 3: Cross multiply
    428,318.04x = 591,082.39 × 237,334.62
  4. Step 4: Simplify right side
    428,318.04x = 140,284,314,419.34
  5. Step 5: Solve for x
    x = 140,284,314,419.34/428,318.04
  6. Step 6: Final answer
    x = 327,523.71

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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.