Home / 823,988.20-1,235,982.30-658,100.20

Finding the Fourth Proportional to 823,988.20, 1,235,982.30 and 658,100.20

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Solution

The fourth proportional to 823,988.20, 1,235,982.30 and 658,100.20 is: 987,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,988.20 : 1,235,982.30 = 658,100.20 : x
  2. Step 2: Convert to fraction form
    823,988.20/1,235,982.30 = 658,100.20/x
  3. Step 3: Cross multiply
    823,988.20x = 1,235,982.30 × 658,100.20
  4. Step 4: Simplify right side
    823,988.20x = 813,400,198,826.46
  5. Step 5: Solve for x
    x = 813,400,198,826.46/823,988.20
  6. Step 6: Final answer
    x = 987,150.30

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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.