Home / 739,827.44-1,020,852.38-449,287.90

Finding the Fourth Proportional to 739,827.44, 1,020,852.38 and 449,287.90

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Solution

The fourth proportional to 739,827.44, 1,020,852.38 and 449,287.90 is: 619,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,827.44 : 1,020,852.38 = 449,287.90 : x
  2. Step 2: Convert to fraction form
    739,827.44/1,020,852.38 = 449,287.90/x
  3. Step 3: Cross multiply
    739,827.44x = 1,020,852.38 × 449,287.90
  4. Step 4: Simplify right side
    739,827.44x = 458,656,622,020.20
  5. Step 5: Solve for x
    x = 458,656,622,020.20/739,827.44
  6. Step 6: Final answer
    x = 619,950.81

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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.