Home / 840,963.87-1,261,611.96-308,489.52

Finding the Fourth Proportional to 840,963.87, 1,261,611.96 and 308,489.52

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Solution

The fourth proportional to 840,963.87, 1,261,611.96 and 308,489.52 is: 462,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,963.87 : 1,261,611.96 = 308,489.52 : x
  2. Step 2: Convert to fraction form
    840,963.87/1,261,611.96 = 308,489.52/x
  3. Step 3: Cross multiply
    840,963.87x = 1,261,611.96 × 308,489.52
  4. Step 4: Simplify right side
    840,963.87x = 389,194,067,966.66
  5. Step 5: Solve for x
    x = 389,194,067,966.66/840,963.87
  6. Step 6: Final answer
    x = 462,795.23

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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.