Home / 428,427.44-591,229.90-237,453.13

Finding the Fourth Proportional to 428,427.44, 591,229.90 and 237,453.13

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Solution

The fourth proportional to 428,427.44, 591,229.90 and 237,453.13 is: 327,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,427.44 : 591,229.90 = 237,453.13 : x
  2. Step 2: Convert to fraction form
    428,427.44/591,229.90 = 237,453.13/x
  3. Step 3: Cross multiply
    428,427.44x = 591,229.90 × 237,453.13
  4. Step 4: Simplify right side
    428,427.44x = 140,389,390,304.59
  5. Step 5: Solve for x
    x = 140,389,390,304.59/428,427.44
  6. Step 6: Final answer
    x = 327,685.34

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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.