Home / 629,387.03-868,564.07-342,907.04

Finding the Fourth Proportional to 629,387.03, 868,564.07 and 342,907.04

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Solution

The fourth proportional to 629,387.03, 868,564.07 and 342,907.04 is: 473,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,387.03 : 868,564.07 = 342,907.04 : x
  2. Step 2: Convert to fraction form
    629,387.03/868,564.07 = 342,907.04/x
  3. Step 3: Cross multiply
    629,387.03x = 868,564.07 × 342,907.04
  4. Step 4: Simplify right side
    629,387.03x = 297,836,728,236.70
  5. Step 5: Solve for x
    x = 297,836,728,236.70/629,387.03
  6. Step 6: Final answer
    x = 473,217.14

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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.