Home / 428,964.53-591,725.10-267,539.32

Finding the Fourth Proportional to 428,964.53, 591,725.10 and 267,539.32

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Solution

The fourth proportional to 428,964.53, 591,725.10 and 267,539.32 is: 369,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,964.53 : 591,725.10 = 267,539.32 : x
  2. Step 2: Convert to fraction form
    428,964.53/591,725.10 = 267,539.32/x
  3. Step 3: Cross multiply
    428,964.53x = 591,725.10 × 267,539.32
  4. Step 4: Simplify right side
    428,964.53x = 158,309,730,880.93
  5. Step 5: Solve for x
    x = 158,309,730,880.93/428,964.53
  6. Step 6: Final answer
    x = 369,050.87

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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.