Home / 764,983.20-1,147,474.80-460,552.80

Finding the Fourth Proportional to 764,983.20, 1,147,474.80 and 460,552.80

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Solution

The fourth proportional to 764,983.20, 1,147,474.80 and 460,552.80 is: 690,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,983.20 : 1,147,474.80 = 460,552.80 : x
  2. Step 2: Convert to fraction form
    764,983.20/1,147,474.80 = 460,552.80/x
  3. Step 3: Cross multiply
    764,983.20x = 1,147,474.80 × 460,552.80
  4. Step 4: Simplify right side
    764,983.20x = 528,472,732,069.44
  5. Step 5: Solve for x
    x = 528,472,732,069.44/764,983.20
  6. Step 6: Final answer
    x = 690,829.20

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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.