Home / 498,278.63-687,624.32-271,924.13

Finding the Fourth Proportional to 498,278.63, 687,624.32 and 271,924.13

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Solution

The fourth proportional to 498,278.63, 687,624.32 and 271,924.13 is: 375,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,278.63 : 687,624.32 = 271,924.13 : x
  2. Step 2: Convert to fraction form
    498,278.63/687,624.32 = 271,924.13/x
  3. Step 3: Cross multiply
    498,278.63x = 687,624.32 × 271,924.13
  4. Step 4: Simplify right side
    498,278.63x = 186,981,644,982.84
  5. Step 5: Solve for x
    x = 186,981,644,982.84/498,278.63
  6. Step 6: Final answer
    x = 375,255.20

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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.