Home / 680,626.46-1,020,308.79-301,345.04

Finding the Fourth Proportional to 680,626.46, 1,020,308.79 and 301,345.04

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Solution

The fourth proportional to 680,626.46, 1,020,308.79 and 301,345.04 is: 451,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,626.46 : 1,020,308.79 = 301,345.04 : x
  2. Step 2: Convert to fraction form
    680,626.46/1,020,308.79 = 301,345.04/x
  3. Step 3: Cross multiply
    680,626.46x = 1,020,308.79 × 301,345.04
  4. Step 4: Simplify right side
    680,626.46x = 307,464,993,134.90
  5. Step 5: Solve for x
    x = 307,464,993,134.90/680,626.46
  6. Step 6: Final answer
    x = 451,738.23

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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.