Home / 764,062.80-1,145,802.60-231,406.80

Finding the Fourth Proportional to 764,062.80, 1,145,802.60 and 231,406.80

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Solution

The fourth proportional to 764,062.80, 1,145,802.60 and 231,406.80 is: 347,021.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,062.80 : 1,145,802.60 = 231,406.80 : x
  2. Step 2: Convert to fraction form
    764,062.80/1,145,802.60 = 231,406.80/x
  3. Step 3: Cross multiply
    764,062.80x = 1,145,802.60 × 231,406.80
  4. Step 4: Simplify right side
    764,062.80x = 265,146,513,097.68
  5. Step 5: Solve for x
    x = 265,146,513,097.68/764,062.80
  6. Step 6: Final answer
    x = 347,021.88

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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.