Home / 828,493.29-1,143,309.81-465,917.04

Finding the Fourth Proportional to 828,493.29, 1,143,309.81 and 465,917.04

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Solution

The fourth proportional to 828,493.29, 1,143,309.81 and 465,917.04 is: 642,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,493.29 : 1,143,309.81 = 465,917.04 : x
  2. Step 2: Convert to fraction form
    828,493.29/1,143,309.81 = 465,917.04/x
  3. Step 3: Cross multiply
    828,493.29x = 1,143,309.81 × 465,917.04
  4. Step 4: Simplify right side
    828,493.29x = 532,687,522,478.16
  5. Step 5: Solve for x
    x = 532,687,522,478.16/828,493.29
  6. Step 6: Final answer
    x = 642,959.37

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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.