Home / 629,411.68-868,598.04-342,931.72

Finding the Fourth Proportional to 629,411.68, 868,598.04 and 342,931.72

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Solution

The fourth proportional to 629,411.68, 868,598.04 and 342,931.72 is: 473,251.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,411.68 : 868,598.04 = 342,931.72 : x
  2. Step 2: Convert to fraction form
    629,411.68/868,598.04 = 342,931.72/x
  3. Step 3: Cross multiply
    629,411.68x = 868,598.04 × 342,931.72
  4. Step 4: Simplify right side
    629,411.68x = 297,869,819,845.83
  5. Step 5: Solve for x
    x = 297,869,819,845.83/629,411.68
  6. Step 6: Final answer
    x = 473,251.18

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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.