Home / 629,204.64-868,315.68-342,724.04

Finding the Fourth Proportional to 629,204.64, 868,315.68 and 342,724.04

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Solution

The fourth proportional to 629,204.64, 868,315.68 and 342,724.04 is: 472,966.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,204.64 : 868,315.68 = 342,724.04 : x
  2. Step 2: Convert to fraction form
    629,204.64/868,315.68 = 342,724.04/x
  3. Step 3: Cross multiply
    629,204.64x = 868,315.68 × 342,724.04
  4. Step 4: Simplify right side
    629,204.64x = 297,592,657,844.95
  5. Step 5: Solve for x
    x = 297,592,657,844.95/629,204.64
  6. Step 6: Final answer
    x = 472,966.41

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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.