Home / 648,472.96-972,744.91-269,432.02

Finding the Fourth Proportional to 648,472.96, 972,744.91 and 269,432.02

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Solution

The fourth proportional to 648,472.96, 972,744.91 and 269,432.02 is: 404,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,472.96 : 972,744.91 = 269,432.02 : x
  2. Step 2: Convert to fraction form
    648,472.96/972,744.91 = 269,432.02/x
  3. Step 3: Cross multiply
    648,472.96x = 972,744.91 × 269,432.02
  4. Step 4: Simplify right side
    648,472.96x = 262,088,622,940.58
  5. Step 5: Solve for x
    x = 262,088,622,940.58/648,472.96
  6. Step 6: Final answer
    x = 404,162.76

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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.