Home / 921,791.64-1,382,687.52-290,754.66

Finding the Fourth Proportional to 921,791.64, 1,382,687.52 and 290,754.66

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Solution

The fourth proportional to 921,791.64, 1,382,687.52 and 290,754.66 is: 436,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,791.64 : 1,382,687.52 = 290,754.66 : x
  2. Step 2: Convert to fraction form
    921,791.64/1,382,687.52 = 290,754.66/x
  3. Step 3: Cross multiply
    921,791.64x = 1,382,687.52 × 290,754.66
  4. Step 4: Simplify right side
    921,791.64x = 402,022,839,763.84
  5. Step 5: Solve for x
    x = 402,022,839,763.84/921,791.64
  6. Step 6: Final answer
    x = 436,132.01

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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.