Home / 629,447.46-868,637.62-342,967.55

Finding the Fourth Proportional to 629,447.46, 868,637.62 and 342,967.55

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Solution

The fourth proportional to 629,447.46, 868,637.62 and 342,967.55 is: 473,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,447.46 : 868,637.62 = 342,967.55 : x
  2. Step 2: Convert to fraction form
    629,447.46/868,637.62 = 342,967.55/x
  3. Step 3: Cross multiply
    629,447.46x = 868,637.62 × 342,967.55
  4. Step 4: Simplify right side
    629,447.46x = 297,914,516,369.23
  5. Step 5: Solve for x
    x = 297,914,516,369.23/629,447.46
  6. Step 6: Final answer
    x = 473,295.29

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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.