Home / 790,844.31-1,091,365.72-428,268.56

Finding the Fourth Proportional to 790,844.31, 1,091,365.72 and 428,268.56

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Solution

The fourth proportional to 790,844.31, 1,091,365.72 and 428,268.56 is: 591,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,844.31 : 1,091,365.72 = 428,268.56 : x
  2. Step 2: Convert to fraction form
    790,844.31/1,091,365.72 = 428,268.56/x
  3. Step 3: Cross multiply
    790,844.31x = 1,091,365.72 × 428,268.56
  4. Step 4: Simplify right side
    790,844.31x = 467,397,625,337.76
  5. Step 5: Solve for x
    x = 467,397,625,337.76/790,844.31
  6. Step 6: Final answer
    x = 591,010.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.