Home / 681,987.07-1,022,425.82-255,283.89

Finding the Fourth Proportional to 681,987.07, 1,022,425.82 and 255,283.89

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Solution

The fourth proportional to 681,987.07, 1,022,425.82 and 255,283.89 is: 382,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,987.07 : 1,022,425.82 = 255,283.89 : x
  2. Step 2: Convert to fraction form
    681,987.07/1,022,425.82 = 255,283.89/x
  3. Step 3: Cross multiply
    681,987.07x = 1,022,425.82 × 255,283.89
  4. Step 4: Simplify right side
    681,987.07x = 261,008,840,566.04
  5. Step 5: Solve for x
    x = 261,008,840,566.04/681,987.07
  6. Step 6: Final answer
    x = 382,718.17

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1.5x scale

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.