Home / 750,109.06-1,124,860.38-276,688.90

Finding the Fourth Proportional to 750,109.06, 1,124,860.38 and 276,688.90

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Solution

The fourth proportional to 750,109.06, 1,124,860.38 and 276,688.90 is: 414,921.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,109.06 : 1,124,860.38 = 276,688.90 : x
  2. Step 2: Convert to fraction form
    750,109.06/1,124,860.38 = 276,688.90/x
  3. Step 3: Cross multiply
    750,109.06x = 1,124,860.38 × 276,688.90
  4. Step 4: Simplify right side
    750,109.06x = 311,236,381,195.78
  5. Step 5: Solve for x
    x = 311,236,381,195.78/750,109.06
  6. Step 6: Final answer
    x = 414,921.51

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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.