Home / 721,927.31-1,081,334.16-679,482.26

Finding the Fourth Proportional to 721,927.31, 1,081,334.16 and 679,482.26

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Solution

The fourth proportional to 721,927.31, 1,081,334.16 and 679,482.26 is: 1,017,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,927.31 : 1,081,334.16 = 679,482.26 : x
  2. Step 2: Convert to fraction form
    721,927.31/1,081,334.16 = 679,482.26/x
  3. Step 3: Cross multiply
    721,927.31x = 1,081,334.16 × 679,482.26
  4. Step 4: Simplify right side
    721,927.31x = 734,747,375,993.39
  5. Step 5: Solve for x
    x = 734,747,375,993.39/721,927.31
  6. Step 6: Final answer
    x = 1,017,758.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.