Home / 850,308.26-1,275,642.32-281,657.16

Finding the Fourth Proportional to 850,308.26, 1,275,642.32 and 281,657.16

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Solution

The fourth proportional to 850,308.26, 1,275,642.32 and 281,657.16 is: 422,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,308.26 : 1,275,642.32 = 281,657.16 : x
  2. Step 2: Convert to fraction form
    850,308.26/1,275,642.32 = 281,657.16/x
  3. Step 3: Cross multiply
    850,308.26x = 1,275,642.32 × 281,657.16
  4. Step 4: Simplify right side
    850,308.26x = 359,293,791,618.73
  5. Step 5: Solve for x
    x = 359,293,791,618.73/850,308.26
  6. Step 6: Final answer
    x = 422,545.34

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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.