Home / 324,864.85-487,721.69-260,857.17

Finding the Fourth Proportional to 324,864.85, 487,721.69 and 260,857.17

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Solution

The fourth proportional to 324,864.85, 487,721.69 and 260,857.17 is: 391,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,864.85 : 487,721.69 = 260,857.17 : x
  2. Step 2: Convert to fraction form
    324,864.85/487,721.69 = 260,857.17/x
  3. Step 3: Cross multiply
    324,864.85x = 487,721.69 × 260,857.17
  4. Step 4: Simplify right side
    324,864.85x = 127,225,701,261.30
  5. Step 5: Solve for x
    x = 127,225,701,261.30/324,864.85
  6. Step 6: Final answer
    x = 391,626.55

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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.