Home / 769,865.28-1,154,510.56-264,283.04

Finding the Fourth Proportional to 769,865.28, 1,154,510.56 and 264,283.04

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Solution

The fourth proportional to 769,865.28, 1,154,510.56 and 264,283.04 is: 396,325.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,865.28 : 1,154,510.56 = 264,283.04 : x
  2. Step 2: Convert to fraction form
    769,865.28/1,154,510.56 = 264,283.04/x
  3. Step 3: Cross multiply
    769,865.28x = 1,154,510.56 × 264,283.04
  4. Step 4: Simplify right side
    769,865.28x = 305,117,560,508.90
  5. Step 5: Solve for x
    x = 305,117,560,508.90/769,865.28
  6. Step 6: Final answer
    x = 396,325.91

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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.