Home / 490,831.54-735,849.43-220,761.92

Finding the Fourth Proportional to 490,831.54, 735,849.43 and 220,761.92

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Solution

The fourth proportional to 490,831.54, 735,849.43 and 220,761.92 is: 330,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,831.54 : 735,849.43 = 220,761.92 : x
  2. Step 2: Convert to fraction form
    490,831.54/735,849.43 = 220,761.92/x
  3. Step 3: Cross multiply
    490,831.54x = 735,849.43 × 220,761.92
  4. Step 4: Simplify right side
    490,831.54x = 162,447,534,285.42
  5. Step 5: Solve for x
    x = 162,447,534,285.42/490,831.54
  6. Step 6: Final answer
    x = 330,963.93

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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.