Home / 457,372.80-685,616.40-204,510.24

Finding the Fourth Proportional to 457,372.80, 685,616.40 and 204,510.24

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Solution

The fourth proportional to 457,372.80, 685,616.40 and 204,510.24 is: 306,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,372.80 : 685,616.40 = 204,510.24 : x
  2. Step 2: Convert to fraction form
    457,372.80/685,616.40 = 204,510.24/x
  3. Step 3: Cross multiply
    457,372.80x = 685,616.40 × 204,510.24
  4. Step 4: Simplify right side
    457,372.80x = 140,215,574,511.94
  5. Step 5: Solve for x
    x = 140,215,574,511.94/457,372.80
  6. Step 6: Final answer
    x = 306,567.37

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.