Home / 648,471.24-972,742.33-269,430.30

Finding the Fourth Proportional to 648,471.24, 972,742.33 and 269,430.30

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Solution

The fourth proportional to 648,471.24, 972,742.33 and 269,430.30 is: 404,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,471.24 : 972,742.33 = 269,430.30 : x
  2. Step 2: Convert to fraction form
    648,471.24/972,742.33 = 269,430.30/x
  3. Step 3: Cross multiply
    648,471.24x = 972,742.33 × 269,430.30
  4. Step 4: Simplify right side
    648,471.24x = 262,086,257,794.60
  5. Step 5: Solve for x
    x = 262,086,257,794.60/648,471.24
  6. Step 6: Final answer
    x = 404,160.19

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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.