Home / 844,980.57-1,267,471.80-213,894.39

Finding the Fourth Proportional to 844,980.57, 1,267,471.80 and 213,894.39

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Solution

The fourth proportional to 844,980.57, 1,267,471.80 and 213,894.39 is: 320,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,980.57 : 1,267,471.80 = 213,894.39 : x
  2. Step 2: Convert to fraction form
    844,980.57/1,267,471.80 = 213,894.39/x
  3. Step 3: Cross multiply
    844,980.57x = 1,267,471.80 × 213,894.39
  4. Step 4: Simplify right side
    844,980.57x = 271,105,107,503.20
  5. Step 5: Solve for x
    x = 271,105,107,503.20/844,980.57
  6. Step 6: Final answer
    x = 320,841.82

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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.