Home / 739,825.68-1,020,849.98-449,286.16

Finding the Fourth Proportional to 739,825.68, 1,020,849.98 and 449,286.16

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Solution

The fourth proportional to 739,825.68, 1,020,849.98 and 449,286.16 is: 619,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,825.68 : 1,020,849.98 = 449,286.16 : x
  2. Step 2: Convert to fraction form
    739,825.68/1,020,849.98 = 449,286.16/x
  3. Step 3: Cross multiply
    739,825.68x = 1,020,849.98 × 449,286.16
  4. Step 4: Simplify right side
    739,825.68x = 458,653,767,450.28
  5. Step 5: Solve for x
    x = 458,653,767,450.28/739,825.68
  6. Step 6: Final answer
    x = 619,948.43

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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.