Home / 648,470.27-972,708.26-269,390.69

Finding the Fourth Proportional to 648,470.27, 972,708.26 and 269,390.69

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Solution

The fourth proportional to 648,470.27, 972,708.26 and 269,390.69 is: 404,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,470.27 : 972,708.26 = 269,390.69 : x
  2. Step 2: Convert to fraction form
    648,470.27/972,708.26 = 269,390.69/x
  3. Step 3: Cross multiply
    648,470.27x = 972,708.26 × 269,390.69
  4. Step 4: Simplify right side
    648,470.27x = 262,038,553,754.07
  5. Step 5: Solve for x
    x = 262,038,553,754.07/648,470.27
  6. Step 6: Final answer
    x = 404,087.23

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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.