Home / 807,512.82-1,211,446.56-238,849.50

Finding the Fourth Proportional to 807,512.82, 1,211,446.56 and 238,849.50

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Solution

The fourth proportional to 807,512.82, 1,211,446.56 and 238,849.50 is: 358,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,512.82 : 1,211,446.56 = 238,849.50 : x
  2. Step 2: Convert to fraction form
    807,512.82/1,211,446.56 = 238,849.50/x
  3. Step 3: Cross multiply
    807,512.82x = 1,211,446.56 × 238,849.50
  4. Step 4: Simplify right side
    807,512.82x = 289,353,405,132.72
  5. Step 5: Solve for x
    x = 289,353,405,132.72/807,512.82
  6. Step 6: Final answer
    x = 358,326.70

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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.