Home / 767,148.34-1,059,118.28-682,029.78

Finding the Fourth Proportional to 767,148.34, 1,059,118.28 and 682,029.78

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Solution

The fourth proportional to 767,148.34, 1,059,118.28 and 682,029.78 is: 941,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,148.34 : 1,059,118.28 = 682,029.78 : x
  2. Step 2: Convert to fraction form
    767,148.34/1,059,118.28 = 682,029.78/x
  3. Step 3: Cross multiply
    767,148.34x = 1,059,118.28 × 682,029.78
  4. Step 4: Simplify right side
    767,148.34x = 722,350,207,502.38
  5. Step 5: Solve for x
    x = 722,350,207,502.38/767,148.34
  6. Step 6: Final answer
    x = 941,604.34

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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.