Home / 489,831.91-734,833.98-223,619.33

Finding the Fourth Proportional to 489,831.91, 734,833.98 and 223,619.33

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Solution

The fourth proportional to 489,831.91, 734,833.98 and 223,619.33 is: 335,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,831.91 : 734,833.98 = 223,619.33 : x
  2. Step 2: Convert to fraction form
    489,831.91/734,833.98 = 223,619.33/x
  3. Step 3: Cross multiply
    489,831.91x = 734,833.98 × 223,619.33
  4. Step 4: Simplify right side
    489,831.91x = 164,323,084,105.92
  5. Step 5: Solve for x
    x = 164,323,084,105.92/489,831.91
  6. Step 6: Final answer
    x = 335,468.31

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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.