Home / 680,616.46-1,020,293.80-301,335.08

Finding the Fourth Proportional to 680,616.46, 1,020,293.80 and 301,335.08

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Solution

The fourth proportional to 680,616.46, 1,020,293.80 and 301,335.08 is: 451,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,616.46 : 1,020,293.80 = 301,335.08 : x
  2. Step 2: Convert to fraction form
    680,616.46/1,020,293.80 = 301,335.08/x
  3. Step 3: Cross multiply
    680,616.46x = 1,020,293.80 × 301,335.08
  4. Step 4: Simplify right side
    680,616.46x = 307,450,308,745.04
  5. Step 5: Solve for x
    x = 307,450,308,745.04/680,616.46
  6. Step 6: Final answer
    x = 451,723.29

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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.