Home / 428,531.80-591,334.13-237,528.94

Finding the Fourth Proportional to 428,531.80, 591,334.13 and 237,528.94

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Solution

The fourth proportional to 428,531.80, 591,334.13 and 237,528.94 is: 327,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,531.80 : 591,334.13 = 237,528.94 : x
  2. Step 2: Convert to fraction form
    428,531.80/591,334.13 = 237,528.94/x
  3. Step 3: Cross multiply
    428,531.80x = 591,334.13 × 237,528.94
  4. Step 4: Simplify right side
    428,531.80x = 140,458,969,084.72
  5. Step 5: Solve for x
    x = 140,458,969,084.72/428,531.80
  6. Step 6: Final answer
    x = 327,767.90

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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.