Home / 764,250.30-1,146,375.45-314,821.80

Finding the Fourth Proportional to 764,250.30, 1,146,375.45 and 314,821.80

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Solution

The fourth proportional to 764,250.30, 1,146,375.45 and 314,821.80 is: 472,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,250.30 : 1,146,375.45 = 314,821.80 : x
  2. Step 2: Convert to fraction form
    764,250.30/1,146,375.45 = 314,821.80/x
  3. Step 3: Cross multiply
    764,250.30x = 1,146,375.45 × 314,821.80
  4. Step 4: Simplify right side
    764,250.30x = 360,903,982,644.81
  5. Step 5: Solve for x
    x = 360,903,982,644.81/764,250.30
  6. Step 6: Final answer
    x = 472,232.70

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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.