Home / 868,046.12-1,197,890.52-486,086.57

Finding the Fourth Proportional to 868,046.12, 1,197,890.52 and 486,086.57

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Solution

The fourth proportional to 868,046.12, 1,197,890.52 and 486,086.57 is: 670,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,046.12 : 1,197,890.52 = 486,086.57 : x
  2. Step 2: Convert to fraction form
    868,046.12/1,197,890.52 = 486,086.57/x
  3. Step 3: Cross multiply
    868,046.12x = 1,197,890.52 × 486,086.57
  4. Step 4: Simplify right side
    868,046.12x = 582,278,493,516.37
  5. Step 5: Solve for x
    x = 582,278,493,516.37/868,046.12
  6. Step 6: Final answer
    x = 670,792.12

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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.