Home / 457,373.80-685,617.90-204,511.24

Finding the Fourth Proportional to 457,373.80, 685,617.90 and 204,511.24

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Solution

The fourth proportional to 457,373.80, 685,617.90 and 204,511.24 is: 306,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,373.80 : 685,617.90 = 204,511.24 : x
  2. Step 2: Convert to fraction form
    457,373.80/685,617.90 = 204,511.24/x
  3. Step 3: Cross multiply
    457,373.80x = 685,617.90 × 204,511.24
  4. Step 4: Simplify right side
    457,373.80x = 140,216,566,895.20
  5. Step 5: Solve for x
    x = 140,216,566,895.20/457,373.80
  6. Step 6: Final answer
    x = 306,568.87

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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.