Home / 787,191.56-1,086,310.74-447,652.04

Finding the Fourth Proportional to 787,191.56, 1,086,310.74 and 447,652.04

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Solution

The fourth proportional to 787,191.56, 1,086,310.74 and 447,652.04 is: 617,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,191.56 : 1,086,310.74 = 447,652.04 : x
  2. Step 2: Convert to fraction form
    787,191.56/1,086,310.74 = 447,652.04/x
  3. Step 3: Cross multiply
    787,191.56x = 1,086,310.74 × 447,652.04
  4. Step 4: Simplify right side
    787,191.56x = 486,289,218,834.91
  5. Step 5: Solve for x
    x = 486,289,218,834.91/787,191.56
  6. Step 6: Final answer
    x = 617,752.07

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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.