Home / 699,407.28-1,048,982.94-187,079.04

Finding the Fourth Proportional to 699,407.28, 1,048,982.94 and 187,079.04

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Solution

The fourth proportional to 699,407.28, 1,048,982.94 and 187,079.04 is: 280,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,407.28 : 1,048,982.94 = 187,079.04 : x
  2. Step 2: Convert to fraction form
    699,407.28/1,048,982.94 = 187,079.04/x
  3. Step 3: Cross multiply
    699,407.28x = 1,048,982.94 × 187,079.04
  4. Step 4: Simplify right side
    699,407.28x = 196,242,721,391.58
  5. Step 5: Solve for x
    x = 196,242,721,391.58/699,407.28
  6. Step 6: Final answer
    x = 280,584.33

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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.