Home / 683,422.40-1,025,128.20-177,982.40

Finding the Fourth Proportional to 683,422.40, 1,025,128.20 and 177,982.40

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Solution

The fourth proportional to 683,422.40, 1,025,128.20 and 177,982.40 is: 266,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,422.40 : 1,025,128.20 = 177,982.40 : x
  2. Step 2: Convert to fraction form
    683,422.40/1,025,128.20 = 177,982.40/x
  3. Step 3: Cross multiply
    683,422.40x = 1,025,128.20 × 177,982.40
  4. Step 4: Simplify right side
    683,422.40x = 182,454,777,343.68
  5. Step 5: Solve for x
    x = 182,454,777,343.68/683,422.40
  6. Step 6: Final answer
    x = 266,972.19

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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.