Home / 763,046.45-1,144,769.75-230,581.61

Finding the Fourth Proportional to 763,046.45, 1,144,769.75 and 230,581.61

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Solution

The fourth proportional to 763,046.45, 1,144,769.75 and 230,581.61 is: 345,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,046.45 : 1,144,769.75 = 230,581.61 : x
  2. Step 2: Convert to fraction form
    763,046.45/1,144,769.75 = 230,581.61/x
  3. Step 3: Cross multiply
    763,046.45x = 1,144,769.75 × 230,581.61
  4. Step 4: Simplify right side
    763,046.45x = 263,962,854,608.00
  5. Step 5: Solve for x
    x = 263,962,854,608.00/763,046.45
  6. Step 6: Final answer
    x = 345,932.88

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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.