Home / 726,902.73-1,003,108.41-404,605.89

Finding the Fourth Proportional to 726,902.73, 1,003,108.41 and 404,605.89

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Solution

The fourth proportional to 726,902.73, 1,003,108.41 and 404,605.89 is: 558,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,902.73 : 1,003,108.41 = 404,605.89 : x
  2. Step 2: Convert to fraction form
    726,902.73/1,003,108.41 = 404,605.89/x
  3. Step 3: Cross multiply
    726,902.73x = 1,003,108.41 × 404,605.89
  4. Step 4: Simplify right side
    726,902.73x = 405,863,570,994.54
  5. Step 5: Solve for x
    x = 405,863,570,994.54/726,902.73
  6. Step 6: Final answer
    x = 558,346.47

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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.