Home / 865,831.97-1,298,939.61-297,200.33

Finding the Fourth Proportional to 865,831.97, 1,298,939.61 and 297,200.33

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Solution

The fourth proportional to 865,831.97, 1,298,939.61 and 297,200.33 is: 445,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,831.97 : 1,298,939.61 = 297,200.33 : x
  2. Step 2: Convert to fraction form
    865,831.97/1,298,939.61 = 297,200.33/x
  3. Step 3: Cross multiply
    865,831.97x = 1,298,939.61 × 297,200.33
  4. Step 4: Simplify right side
    865,831.97x = 386,045,274,247.37
  5. Step 5: Solve for x
    x = 386,045,274,247.37/865,831.97
  6. Step 6: Final answer
    x = 445,866.28

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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.