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Finding the Fourth Proportional to 505,081.27, 696,792.17 and 332,778.17

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Solution

The fourth proportional to 505,081.27, 696,792.17 and 332,778.17 is: 459,088.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,081.27 : 696,792.17 = 332,778.17 : x
  2. Step 2: Convert to fraction form
    505,081.27/696,792.17 = 332,778.17/x
  3. Step 3: Cross multiply
    505,081.27x = 696,792.17 × 332,778.17
  4. Step 4: Simplify right side
    505,081.27x = 231,877,225,776.86
  5. Step 5: Solve for x
    x = 231,877,225,776.86/505,081.27
  6. Step 6: Final answer
    x = 459,088.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.