Home / 809,510.20-1,214,248.33-269,805.54

Finding the Fourth Proportional to 809,510.20, 1,214,248.33 and 269,805.54

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Solution

The fourth proportional to 809,510.20, 1,214,248.33 and 269,805.54 is: 404,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,510.20 : 1,214,248.33 = 269,805.54 : x
  2. Step 2: Convert to fraction form
    809,510.20/1,214,248.33 = 269,805.54/x
  3. Step 3: Cross multiply
    809,510.20x = 1,214,248.33 × 269,805.54
  4. Step 4: Simplify right side
    809,510.20x = 327,610,926,369.75
  5. Step 5: Solve for x
    x = 327,610,926,369.75/809,510.20
  6. Step 6: Final answer
    x = 404,702.65

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1.5x scale

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.