Home / 917,959.66-1,375,955.06-443,993.02

Finding the Fourth Proportional to 917,959.66, 1,375,955.06 and 443,993.02

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Solution

The fourth proportional to 917,959.66, 1,375,955.06 and 443,993.02 is: 665,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,959.66 : 1,375,955.06 = 443,993.02 : x
  2. Step 2: Convert to fraction form
    917,959.66/1,375,955.06 = 443,993.02/x
  3. Step 3: Cross multiply
    917,959.66x = 1,375,955.06 × 443,993.02
  4. Step 4: Simplify right side
    917,959.66x = 610,914,442,473.68
  5. Step 5: Solve for x
    x = 610,914,442,473.68/917,959.66
  6. Step 6: Final answer
    x = 665,513.39

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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.