Home / 764,469.40-1,146,833.70-231,986.20

Finding the Fourth Proportional to 764,469.40, 1,146,833.70 and 231,986.20

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Solution

The fourth proportional to 764,469.40, 1,146,833.70 and 231,986.20 is: 348,018.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,469.40 : 1,146,833.70 = 231,986.20 : x
  2. Step 2: Convert to fraction form
    764,469.40/1,146,833.70 = 231,986.20/x
  3. Step 3: Cross multiply
    764,469.40x = 1,146,833.70 × 231,986.20
  4. Step 4: Simplify right side
    764,469.40x = 266,049,592,094.94
  5. Step 5: Solve for x
    x = 266,049,592,094.94/764,469.40
  6. Step 6: Final answer
    x = 348,018.63

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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.