Home / 739,833.44-1,020,860.66-449,293.90

Finding the Fourth Proportional to 739,833.44, 1,020,860.66 and 449,293.90

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Solution

The fourth proportional to 739,833.44, 1,020,860.66 and 449,293.90 is: 619,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,833.44 : 1,020,860.66 = 449,293.90 : x
  2. Step 2: Convert to fraction form
    739,833.44/1,020,860.66 = 449,293.90/x
  3. Step 3: Cross multiply
    739,833.44x = 1,020,860.66 × 449,293.90
  4. Step 4: Simplify right side
    739,833.44x = 458,666,467,287.97
  5. Step 5: Solve for x
    x = 458,666,467,287.97/739,833.44
  6. Step 6: Final answer
    x = 619,959.09

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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.