Home / 755,014.79-1,132,521.86-275,278.52

Finding the Fourth Proportional to 755,014.79, 1,132,521.86 and 275,278.52

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Solution

The fourth proportional to 755,014.79, 1,132,521.86 and 275,278.52 is: 412,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,014.79 : 1,132,521.86 = 275,278.52 : x
  2. Step 2: Convert to fraction form
    755,014.79/1,132,521.86 = 275,278.52/x
  3. Step 3: Cross multiply
    755,014.79x = 1,132,521.86 × 275,278.52
  4. Step 4: Simplify right side
    755,014.79x = 311,758,935,825.84
  5. Step 5: Solve for x
    x = 311,758,935,825.84/755,014.79
  6. Step 6: Final answer
    x = 412,917.66

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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.