Home / 755,014.72-1,132,521.76-275,278.45

Finding the Fourth Proportional to 755,014.72, 1,132,521.76 and 275,278.45

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Solution

The fourth proportional to 755,014.72, 1,132,521.76 and 275,278.45 is: 412,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,014.72 : 1,132,521.76 = 275,278.45 : x
  2. Step 2: Convert to fraction form
    755,014.72/1,132,521.76 = 275,278.45/x
  3. Step 3: Cross multiply
    755,014.72x = 1,132,521.76 × 275,278.45
  4. Step 4: Simplify right side
    755,014.72x = 311,758,834,684.07
  5. Step 5: Solve for x
    x = 311,758,834,684.07/755,014.72
  6. Step 6: Final answer
    x = 412,917.56

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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.