Home / 868,144.50-1,198,047.78-480,968.15

Finding the Fourth Proportional to 868,144.50, 1,198,047.78 and 480,968.15

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Solution

The fourth proportional to 868,144.50, 1,198,047.78 and 480,968.15 is: 663,740.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,144.50 : 1,198,047.78 = 480,968.15 : x
  2. Step 2: Convert to fraction form
    868,144.50/1,198,047.78 = 480,968.15/x
  3. Step 3: Cross multiply
    868,144.50x = 1,198,047.78 × 480,968.15
  4. Step 4: Simplify right side
    868,144.50x = 576,222,818,367.97
  5. Step 5: Solve for x
    x = 576,222,818,367.97/868,144.50
  6. Step 6: Final answer
    x = 663,740.68

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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.