Home / 866,082.20-1,298,432.10-367,035.80

Finding the Fourth Proportional to 866,082.20, 1,298,432.10 and 367,035.80

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Solution

The fourth proportional to 866,082.20, 1,298,432.10 and 367,035.80 is: 550,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,082.20 : 1,298,432.10 = 367,035.80 : x
  2. Step 2: Convert to fraction form
    866,082.20/1,298,432.10 = 367,035.80/x
  3. Step 3: Cross multiply
    866,082.20x = 1,298,432.10 × 367,035.80
  4. Step 4: Simplify right side
    866,082.20x = 476,571,064,569.18
  5. Step 5: Solve for x
    x = 476,571,064,569.18/866,082.20
  6. Step 6: Final answer
    x = 550,260.78

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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.