Home / 428,250.20-591,262.56-275,357.04

Finding the Fourth Proportional to 428,250.20, 591,262.56 and 275,357.04

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Solution

The fourth proportional to 428,250.20, 591,262.56 and 275,357.04 is: 380,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,250.20 : 591,262.56 = 275,357.04 : x
  2. Step 2: Convert to fraction form
    428,250.20/591,262.56 = 275,357.04/x
  3. Step 3: Cross multiply
    428,250.20x = 591,262.56 × 275,357.04
  4. Step 4: Simplify right side
    428,250.20x = 162,808,308,384.42
  5. Step 5: Solve for x
    x = 162,808,308,384.42/428,250.20
  6. Step 6: Final answer
    x = 380,171.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.