Home / 775,195.05-1,070,061.47-453,009.86

Finding the Fourth Proportional to 775,195.05, 1,070,061.47 and 453,009.86

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Solution

The fourth proportional to 775,195.05, 1,070,061.47 and 453,009.86 is: 625,324.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,195.05 : 1,070,061.47 = 453,009.86 : x
  2. Step 2: Convert to fraction form
    775,195.05/1,070,061.47 = 453,009.86/x
  3. Step 3: Cross multiply
    775,195.05x = 1,070,061.47 × 453,009.86
  4. Step 4: Simplify right side
    775,195.05x = 484,748,396,716.09
  5. Step 5: Solve for x
    x = 484,748,396,716.09/775,195.05
  6. Step 6: Final answer
    x = 625,324.42

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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.