Home / 648,472.07-972,743.57-269,431.13

Finding the Fourth Proportional to 648,472.07, 972,743.57 and 269,431.13

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Solution

The fourth proportional to 648,472.07, 972,743.57 and 269,431.13 is: 404,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,472.07 : 972,743.57 = 269,431.13 : x
  2. Step 2: Convert to fraction form
    648,472.07/972,743.57 = 269,431.13/x
  3. Step 3: Cross multiply
    648,472.07x = 972,743.57 × 269,431.13
  4. Step 4: Simplify right side
    648,472.07x = 262,087,393,054.46
  5. Step 5: Solve for x
    x = 262,087,393,054.46/648,472.07
  6. Step 6: Final answer
    x = 404,161.42

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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.