Home / 809,670.54-1,214,422.35-269,868.50

Finding the Fourth Proportional to 809,670.54, 1,214,422.35 and 269,868.50

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Solution

The fourth proportional to 809,670.54, 1,214,422.35 and 269,868.50 is: 404,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,670.54 : 1,214,422.35 = 269,868.50 : x
  2. Step 2: Convert to fraction form
    809,670.54/1,214,422.35 = 269,868.50/x
  3. Step 3: Cross multiply
    809,670.54x = 1,214,422.35 × 269,868.50
  4. Step 4: Simplify right side
    809,670.54x = 327,734,331,888.86
  5. Step 5: Solve for x
    x = 327,734,331,888.86/809,670.54
  6. Step 6: Final answer
    x = 404,774.92

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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.