Home / 629,432.61-868,623.38-342,957.48

Finding the Fourth Proportional to 629,432.61, 868,623.38 and 342,957.48

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Solution

The fourth proportional to 629,432.61, 868,623.38 and 342,957.48 is: 473,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,432.61 : 868,623.38 = 342,957.48 : x
  2. Step 2: Convert to fraction form
    629,432.61/868,623.38 = 342,957.48/x
  3. Step 3: Cross multiply
    629,432.61x = 868,623.38 × 342,957.48
  4. Step 4: Simplify right side
    629,432.61x = 297,900,883,759.10
  5. Step 5: Solve for x
    x = 297,900,883,759.10/629,432.61
  6. Step 6: Final answer
    x = 473,284.79

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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.