Home / 764,563.50-1,146,983.58-315,034.38

Finding the Fourth Proportional to 764,563.50, 1,146,983.58 and 315,034.38

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Solution

The fourth proportional to 764,563.50, 1,146,983.58 and 315,034.38 is: 472,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,563.50 : 1,146,983.58 = 315,034.38 : x
  2. Step 2: Convert to fraction form
    764,563.50/1,146,983.58 = 315,034.38/x
  3. Step 3: Cross multiply
    764,563.50x = 1,146,983.58 × 315,034.38
  4. Step 4: Simplify right side
    764,563.50x = 361,339,260,995.48
  5. Step 5: Solve for x
    x = 361,339,260,995.48/764,563.50
  6. Step 6: Final answer
    x = 472,608.57

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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.