Home / 428,267.00-591,648.35-281,439.11

Finding the Fourth Proportional to 428,267.00, 591,648.35 and 281,439.11

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Solution

The fourth proportional to 428,267.00, 591,648.35 and 281,439.11 is: 388,806.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,267.00 : 591,648.35 = 281,439.11 : x
  2. Step 2: Convert to fraction form
    428,267.00/591,648.35 = 281,439.11/x
  3. Step 3: Cross multiply
    428,267.00x = 591,648.35 × 281,439.11
  4. Step 4: Simplify right side
    428,267.00x = 166,512,980,691.53
  5. Step 5: Solve for x
    x = 166,512,980,691.53/428,267.00
  6. Step 6: Final answer
    x = 388,806.48

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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.