Home / 722,222.54-996,569.36-399,924.35

Finding the Fourth Proportional to 722,222.54, 996,569.36 and 399,924.35

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Solution

The fourth proportional to 722,222.54, 996,569.36 and 399,924.35 is: 551,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,222.54 : 996,569.36 = 399,924.35 : x
  2. Step 2: Convert to fraction form
    722,222.54/996,569.36 = 399,924.35/x
  3. Step 3: Cross multiply
    722,222.54x = 996,569.36 × 399,924.35
  4. Step 4: Simplify right side
    722,222.54x = 398,552,354,527.73
  5. Step 5: Solve for x
    x = 398,552,354,527.73/722,222.54
  6. Step 6: Final answer
    x = 551,841.48

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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.