Home / 725,508.54-1,087,742.79-341,042.04

Finding the Fourth Proportional to 725,508.54, 1,087,742.79 and 341,042.04

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Solution

The fourth proportional to 725,508.54, 1,087,742.79 and 341,042.04 is: 511,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,508.54 : 1,087,742.79 = 341,042.04 : x
  2. Step 2: Convert to fraction form
    725,508.54/1,087,742.79 = 341,042.04/x
  3. Step 3: Cross multiply
    725,508.54x = 1,087,742.79 × 341,042.04
  4. Step 4: Simplify right side
    725,508.54x = 370,966,020,096.89
  5. Step 5: Solve for x
    x = 370,966,020,096.89/725,508.54
  6. Step 6: Final answer
    x = 511,318.61

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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.