Home / 790,517.16-1,090,912.42-427,940.93

Finding the Fourth Proportional to 790,517.16, 1,090,912.42 and 427,940.93

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Solution

The fourth proportional to 790,517.16, 1,090,912.42 and 427,940.93 is: 590,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,517.16 : 1,090,912.42 = 427,940.93 : x
  2. Step 2: Convert to fraction form
    790,517.16/1,090,912.42 = 427,940.93/x
  3. Step 3: Cross multiply
    790,517.16x = 1,090,912.42 × 427,940.93
  4. Step 4: Simplify right side
    790,517.16x = 466,846,067,969.08
  5. Step 5: Solve for x
    x = 466,846,067,969.08/790,517.16
  6. Step 6: Final answer
    x = 590,557.79

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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.