Home / 764,273.64-1,146,435.96-343,550.76

Finding the Fourth Proportional to 764,273.64, 1,146,435.96 and 343,550.76

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Solution

The fourth proportional to 764,273.64, 1,146,435.96 and 343,550.76 is: 515,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,273.64 : 1,146,435.96 = 343,550.76 : x
  2. Step 2: Convert to fraction form
    764,273.64/1,146,435.96 = 343,550.76/x
  3. Step 3: Cross multiply
    764,273.64x = 1,146,435.96 × 343,550.76
  4. Step 4: Simplify right side
    764,273.64x = 393,858,945,349.33
  5. Step 5: Solve for x
    x = 393,858,945,349.33/764,273.64
  6. Step 6: Final answer
    x = 515,337.60

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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.