Home / 499,215.68-688,822.08-284,351.04

Finding the Fourth Proportional to 499,215.68, 688,822.08 and 284,351.04

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Solution

The fourth proportional to 499,215.68, 688,822.08 and 284,351.04 is: 392,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,215.68 : 688,822.08 = 284,351.04 : x
  2. Step 2: Convert to fraction form
    499,215.68/688,822.08 = 284,351.04/x
  3. Step 3: Cross multiply
    499,215.68x = 688,822.08 × 284,351.04
  4. Step 4: Simplify right side
    499,215.68x = 195,867,274,822.96
  5. Step 5: Solve for x
    x = 195,867,274,822.96/499,215.68
  6. Step 6: Final answer
    x = 392,350.01

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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.