Home / 764,231.80-1,145,618.70-284,331.10

Finding the Fourth Proportional to 764,231.80, 1,145,618.70 and 284,331.10

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Solution

The fourth proportional to 764,231.80, 1,145,618.70 and 284,331.10 is: 426,225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,231.80 : 1,145,618.70 = 284,331.10 : x
  2. Step 2: Convert to fraction form
    764,231.80/1,145,618.70 = 284,331.10/x
  3. Step 3: Cross multiply
    764,231.80x = 1,145,618.70 × 284,331.10
  4. Step 4: Simplify right side
    764,231.80x = 325,735,025,151.57
  5. Step 5: Solve for x
    x = 325,735,025,151.57/764,231.80
  6. Step 6: Final answer
    x = 426,225.43

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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.