Home / 611,980.97-844,271.77-382,139.23

Finding the Fourth Proportional to 611,980.97, 844,271.77 and 382,139.23

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Solution

The fourth proportional to 611,980.97, 844,271.77 and 382,139.23 is: 527,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,980.97 : 844,271.77 = 382,139.23 : x
  2. Step 2: Convert to fraction form
    611,980.97/844,271.77 = 382,139.23/x
  3. Step 3: Cross multiply
    611,980.97x = 844,271.77 × 382,139.23
  4. Step 4: Simplify right side
    611,980.97x = 322,629,359,882.75
  5. Step 5: Solve for x
    x = 322,629,359,882.75/611,980.97
  6. Step 6: Final answer
    x = 527,188.55

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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.