Home / 629,426.61-868,597.79-342,949.05

Finding the Fourth Proportional to 629,426.61, 868,597.79 and 342,949.05

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Solution

The fourth proportional to 629,426.61, 868,597.79 and 342,949.05 is: 473,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,426.61 : 868,597.79 = 342,949.05 : x
  2. Step 2: Convert to fraction form
    629,426.61/868,597.79 = 342,949.05/x
  3. Step 3: Cross multiply
    629,426.61x = 868,597.79 × 342,949.05
  4. Step 4: Simplify right side
    629,426.61x = 297,884,785,197.85
  5. Step 5: Solve for x
    x = 297,884,785,197.85/629,426.61
  6. Step 6: Final answer
    x = 473,263.73

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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.