Home / 646,195.73-891,833.90-370,661.27

Finding the Fourth Proportional to 646,195.73, 891,833.90 and 370,661.27

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Solution

The fourth proportional to 646,195.73, 891,833.90 and 370,661.27 is: 511,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,195.73 : 891,833.90 = 370,661.27 : x
  2. Step 2: Convert to fraction form
    646,195.73/891,833.90 = 370,661.27/x
  3. Step 3: Cross multiply
    646,195.73x = 891,833.90 × 370,661.27
  4. Step 4: Simplify right side
    646,195.73x = 330,568,279,690.58
  5. Step 5: Solve for x
    x = 330,568,279,690.58/646,195.73
  6. Step 6: Final answer
    x = 511,560.61

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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.