Home / 868,328.91-1,302,375.15-228,579.12

Finding the Fourth Proportional to 868,328.91, 1,302,375.15 and 228,579.12

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Solution

The fourth proportional to 868,328.91, 1,302,375.15 and 228,579.12 is: 342,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,328.91 : 1,302,375.15 = 228,579.12 : x
  2. Step 2: Convert to fraction form
    868,328.91/1,302,375.15 = 228,579.12/x
  3. Step 3: Cross multiply
    868,328.91x = 1,302,375.15 × 228,579.12
  4. Step 4: Simplify right side
    868,328.91x = 297,695,765,696.87
  5. Step 5: Solve for x
    x = 297,695,765,696.87/868,328.91
  6. Step 6: Final answer
    x = 342,837.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.