Home / 492,073.28-679,063.20-277,215.92

Finding the Fourth Proportional to 492,073.28, 679,063.20 and 277,215.92

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Solution

The fourth proportional to 492,073.28, 679,063.20 and 277,215.92 is: 382,559.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,073.28 : 679,063.20 = 277,215.92 : x
  2. Step 2: Convert to fraction form
    492,073.28/679,063.20 = 277,215.92/x
  3. Step 3: Cross multiply
    492,073.28x = 679,063.20 × 277,215.92
  4. Step 4: Simplify right side
    492,073.28x = 188,247,129,726.14
  5. Step 5: Solve for x
    x = 188,247,129,726.14/492,073.28
  6. Step 6: Final answer
    x = 382,559.14

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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.