Home / 764,364.80-1,146,255.60-231,708.80

Finding the Fourth Proportional to 764,364.80, 1,146,255.60 and 231,708.80

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Solution

The fourth proportional to 764,364.80, 1,146,255.60 and 231,708.80 is: 347,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,364.80 : 1,146,255.60 = 231,708.80 : x
  2. Step 2: Convert to fraction form
    764,364.80/1,146,255.60 = 231,708.80/x
  3. Step 3: Cross multiply
    764,364.80x = 1,146,255.60 × 231,708.80
  4. Step 4: Simplify right side
    764,364.80x = 265,597,509,569.28
  5. Step 5: Solve for x
    x = 265,597,509,569.28/764,364.80
  6. Step 6: Final answer
    x = 347,474.80

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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.