Home / 428,427.55-591,230.08-237,453.27

Finding the Fourth Proportional to 428,427.55, 591,230.08 and 237,453.27

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Solution

The fourth proportional to 428,427.55, 591,230.08 and 237,453.27 is: 327,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,427.55 : 591,230.08 = 237,453.27 : x
  2. Step 2: Convert to fraction form
    428,427.55/591,230.08 = 237,453.27/x
  3. Step 3: Cross multiply
    428,427.55x = 591,230.08 × 237,453.27
  4. Step 4: Simplify right side
    428,427.55x = 140,389,515,818.36
  5. Step 5: Solve for x
    x = 140,389,515,818.36/428,427.55
  6. Step 6: Final answer
    x = 327,685.55

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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.