Home / 764,004.90-1,146,007.35-681,336.30

Finding the Fourth Proportional to 764,004.90, 1,146,007.35 and 681,336.30

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Solution

The fourth proportional to 764,004.90, 1,146,007.35 and 681,336.30 is: 1,022,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,004.90 : 1,146,007.35 = 681,336.30 : x
  2. Step 2: Convert to fraction form
    764,004.90/1,146,007.35 = 681,336.30/x
  3. Step 3: Cross multiply
    764,004.90x = 1,146,007.35 × 681,336.30
  4. Step 4: Simplify right side
    764,004.90x = 780,816,407,621.81
  5. Step 5: Solve for x
    x = 780,816,407,621.81/764,004.90
  6. Step 6: Final answer
    x = 1,022,004.45

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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.