Home / 868,104.72-1,198,059.92-486,124.56

Finding the Fourth Proportional to 868,104.72, 1,198,059.92 and 486,124.56

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Solution

The fourth proportional to 868,104.72, 1,198,059.92 and 486,124.56 is: 670,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,104.72 : 1,198,059.92 = 486,124.56 : x
  2. Step 2: Convert to fraction form
    868,104.72/1,198,059.92 = 486,124.56/x
  3. Step 3: Cross multiply
    868,104.72x = 1,198,059.92 × 486,124.56
  4. Step 4: Simplify right side
    868,104.72x = 582,406,351,463.64
  5. Step 5: Solve for x
    x = 582,406,351,463.64/868,104.72
  6. Step 6: Final answer
    x = 670,894.12

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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.