Home / 629,321.28-868,459.08-342,841.56

Finding the Fourth Proportional to 629,321.28, 868,459.08 and 342,841.56

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Solution

The fourth proportional to 629,321.28, 868,459.08 and 342,841.56 is: 473,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,321.28 : 868,459.08 = 342,841.56 : x
  2. Step 2: Convert to fraction form
    629,321.28/868,459.08 = 342,841.56/x
  3. Step 3: Cross multiply
    629,321.28x = 868,459.08 × 342,841.56
  4. Step 4: Simplify right side
    629,321.28x = 297,743,865,783.37
  5. Step 5: Solve for x
    x = 297,743,865,783.37/629,321.28
  6. Step 6: Final answer
    x = 473,119.02

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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.