Home / 412,181.68-567,839.64-387,381.10

Finding the Fourth Proportional to 412,181.68, 567,839.64 and 387,381.10

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Solution

The fourth proportional to 412,181.68, 567,839.64 and 387,381.10 is: 533,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,181.68 : 567,839.64 = 387,381.10 : x
  2. Step 2: Convert to fraction form
    412,181.68/567,839.64 = 387,381.10/x
  3. Step 3: Cross multiply
    412,181.68x = 567,839.64 × 387,381.10
  4. Step 4: Simplify right side
    412,181.68x = 219,970,344,366.80
  5. Step 5: Solve for x
    x = 219,970,344,366.80/412,181.68
  6. Step 6: Final answer
    x = 533,673.27

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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.