Home / 844,829-1,267,245.12-205,130.04

Finding the Fourth Proportional to 844,829, 1,267,245.12 and 205,130.04

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Solution

The fourth proportional to 844,829, 1,267,245.12 and 205,130.04 is: 307,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,829 : 1,267,245.12 = 205,130.04 : x
  2. Step 2: Convert to fraction form
    844,829/1,267,245.12 = 205,130.04/x
  3. Step 3: Cross multiply
    844,829x = 1,267,245.12 × 205,130.04
  4. Step 4: Simplify right side
    844,829x = 259,950,042,155.41
  5. Step 5: Solve for x
    x = 259,950,042,155.41/844,829
  6. Step 6: Final answer
    x = 307,695.45

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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.