Home / 629,401.20-868,583.60-342,921.16

Finding the Fourth Proportional to 629,401.20, 868,583.60 and 342,921.16

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Solution

The fourth proportional to 629,401.20, 868,583.60 and 342,921.16 is: 473,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,401.20 : 868,583.60 = 342,921.16 : x
  2. Step 2: Convert to fraction form
    629,401.20/868,583.60 = 342,921.16/x
  3. Step 3: Cross multiply
    629,401.20x = 868,583.60 × 342,921.16
  4. Step 4: Simplify right side
    629,401.20x = 297,855,695,668.98
  5. Step 5: Solve for x
    x = 297,855,695,668.98/629,401.20
  6. Step 6: Final answer
    x = 473,236.62

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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.