Home / 763,769.30-1,145,653.78-195,151.46

Finding the Fourth Proportional to 763,769.30, 1,145,653.78 and 195,151.46

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Solution

The fourth proportional to 763,769.30, 1,145,653.78 and 195,151.46 is: 292,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,769.30 : 1,145,653.78 = 195,151.46 : x
  2. Step 2: Convert to fraction form
    763,769.30/1,145,653.78 = 195,151.46/x
  3. Step 3: Cross multiply
    763,769.30x = 1,145,653.78 × 195,151.46
  4. Step 4: Simplify right side
    763,769.30x = 223,576,007,821.52
  5. Step 5: Solve for x
    x = 223,576,007,821.52/763,769.30
  6. Step 6: Final answer
    x = 292,727.15

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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.