Home / 629,687.16-868,962.70-343,207.24

Finding the Fourth Proportional to 629,687.16, 868,962.70 and 343,207.24

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Solution

The fourth proportional to 629,687.16, 868,962.70 and 343,207.24 is: 473,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,687.16 : 868,962.70 = 343,207.24 : x
  2. Step 2: Convert to fraction form
    629,687.16/868,962.70 = 343,207.24/x
  3. Step 3: Cross multiply
    629,687.16x = 868,962.70 × 343,207.24
  4. Step 4: Simplify right side
    629,687.16x = 298,234,289,929.95
  5. Step 5: Solve for x
    x = 298,234,289,929.95/629,687.16
  6. Step 6: Final answer
    x = 473,622.95

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1.5x scale

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.