Home / 828,604.70-1,143,342.66-465,958.46

Finding the Fourth Proportional to 828,604.70, 1,143,342.66 and 465,958.46

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Solution

The fourth proportional to 828,604.70, 1,143,342.66 and 465,958.46 is: 642,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,604.70 : 1,143,342.66 = 465,958.46 : x
  2. Step 2: Convert to fraction form
    828,604.70/1,143,342.66 = 465,958.46/x
  3. Step 3: Cross multiply
    828,604.70x = 1,143,342.66 × 465,958.46
  4. Step 4: Simplify right side
    828,604.70x = 532,750,185,105.90
  5. Step 5: Solve for x
    x = 532,750,185,105.90/828,604.70
  6. Step 6: Final answer
    x = 642,948.54

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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.