Home / 629,446.46-868,636.24-342,966.55

Finding the Fourth Proportional to 629,446.46, 868,636.24 and 342,966.55

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Solution

The fourth proportional to 629,446.46, 868,636.24 and 342,966.55 is: 473,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,446.46 : 868,636.24 = 342,966.55 : x
  2. Step 2: Convert to fraction form
    629,446.46/868,636.24 = 342,966.55/x
  3. Step 3: Cross multiply
    629,446.46x = 868,636.24 × 342,966.55
  4. Step 4: Simplify right side
    629,446.46x = 297,913,171,408.77
  5. Step 5: Solve for x
    x = 297,913,171,408.77/629,446.46
  6. Step 6: Final answer
    x = 473,293.90

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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.