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Finding the Fourth Proportional to 637,920.96, 880,458.42 and 366,172.54

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Solution

The fourth proportional to 637,920.96, 880,458.42 and 366,172.54 is: 505,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,920.96 : 880,458.42 = 366,172.54 : x
  2. Step 2: Convert to fraction form
    637,920.96/880,458.42 = 366,172.54/x
  3. Step 3: Cross multiply
    637,920.96x = 880,458.42 × 366,172.54
  4. Step 4: Simplify right side
    637,920.96x = 322,399,696,015.79
  5. Step 5: Solve for x
    x = 322,399,696,015.79/637,920.96
  6. Step 6: Final answer
    x = 505,391.29

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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.