Home / 754,919.89-1,132,554.56-395,286.11

Finding the Fourth Proportional to 754,919.89, 1,132,554.56 and 395,286.11

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Solution

The fourth proportional to 754,919.89, 1,132,554.56 and 395,286.11 is: 593,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,919.89 : 1,132,554.56 = 395,286.11 : x
  2. Step 2: Convert to fraction form
    754,919.89/1,132,554.56 = 395,286.11/x
  3. Step 3: Cross multiply
    754,919.89x = 1,132,554.56 × 395,286.11
  4. Step 4: Simplify right side
    754,919.89x = 447,683,086,385.16
  5. Step 5: Solve for x
    x = 447,683,086,385.16/754,919.89
  6. Step 6: Final answer
    x = 593,020.65

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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.