Home / 629,411.20-868,597.38-342,931.16

Finding the Fourth Proportional to 629,411.20, 868,597.38 and 342,931.16

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Solution

The fourth proportional to 629,411.20, 868,597.38 and 342,931.16 is: 473,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,411.20 : 868,597.38 = 342,931.16 : x
  2. Step 2: Convert to fraction form
    629,411.20/868,597.38 = 342,931.16/x
  3. Step 3: Cross multiply
    629,411.20x = 868,597.38 × 342,931.16
  4. Step 4: Simplify right side
    629,411.20x = 297,869,107,096.36
  5. Step 5: Solve for x
    x = 297,869,107,096.36/629,411.20
  6. Step 6: Final answer
    x = 473,250.41

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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.