Home / 457,484.06-685,949.18-204,717.39

Finding the Fourth Proportional to 457,484.06, 685,949.18 and 204,717.39

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Solution

The fourth proportional to 457,484.06, 685,949.18 and 204,717.39 is: 306,952.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,484.06 : 685,949.18 = 204,717.39 : x
  2. Step 2: Convert to fraction form
    457,484.06/685,949.18 = 204,717.39/x
  3. Step 3: Cross multiply
    457,484.06x = 685,949.18 × 204,717.39
  4. Step 4: Simplify right side
    457,484.06x = 140,425,722,206.34
  5. Step 5: Solve for x
    x = 140,425,722,206.34/457,484.06
  6. Step 6: Final answer
    x = 306,952.16

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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.