Home / 764,276.30-1,146,122.85-231,620.30

Finding the Fourth Proportional to 764,276.30, 1,146,122.85 and 231,620.30

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Solution

The fourth proportional to 764,276.30, 1,146,122.85 and 231,620.30 is: 347,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,276.30 : 1,146,122.85 = 231,620.30 : x
  2. Step 2: Convert to fraction form
    764,276.30/1,146,122.85 = 231,620.30/x
  3. Step 3: Cross multiply
    764,276.30x = 1,146,122.85 × 231,620.30
  4. Step 4: Simplify right side
    764,276.30x = 265,465,318,353.86
  5. Step 5: Solve for x
    x = 265,465,318,353.86/764,276.30
  6. Step 6: Final answer
    x = 347,342.08

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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.