Home / 958,861.60-1,438,292.40-538,082.80

Finding the Fourth Proportional to 958,861.60, 1,438,292.40 and 538,082.80

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Solution

The fourth proportional to 958,861.60, 1,438,292.40 and 538,082.80 is: 807,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,861.60 : 1,438,292.40 = 538,082.80 : x
  2. Step 2: Convert to fraction form
    958,861.60/1,438,292.40 = 538,082.80/x
  3. Step 3: Cross multiply
    958,861.60x = 1,438,292.40 × 538,082.80
  4. Step 4: Simplify right side
    958,861.60x = 773,920,401,810.72
  5. Step 5: Solve for x
    x = 773,920,401,810.72/958,861.60
  6. Step 6: Final answer
    x = 807,124.20

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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.