Home / 457,324.05-685,709.04-204,557.43

Finding the Fourth Proportional to 457,324.05, 685,709.04 and 204,557.43

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Solution

The fourth proportional to 457,324.05, 685,709.04 and 204,557.43 is: 306,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,324.05 : 685,709.04 = 204,557.43 : x
  2. Step 2: Convert to fraction form
    457,324.05/685,709.04 = 204,557.43/x
  3. Step 3: Cross multiply
    457,324.05x = 685,709.04 × 204,557.43
  4. Step 4: Simplify right side
    457,324.05x = 140,266,878,950.17
  5. Step 5: Solve for x
    x = 140,266,878,950.17/457,324.05
  6. Step 6: Final answer
    x = 306,712.23

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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.