Home / 718,553.13-1,078,002.83-269,277.97

Finding the Fourth Proportional to 718,553.13, 1,078,002.83 and 269,277.97

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Solution

The fourth proportional to 718,553.13, 1,078,002.83 and 269,277.97 is: 403,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,553.13 : 1,078,002.83 = 269,277.97 : x
  2. Step 2: Convert to fraction form
    718,553.13/1,078,002.83 = 269,277.97/x
  3. Step 3: Cross multiply
    718,553.13x = 1,078,002.83 × 269,277.97
  4. Step 4: Simplify right side
    718,553.13x = 290,282,412,201.41
  5. Step 5: Solve for x
    x = 290,282,412,201.41/718,553.13
  6. Step 6: Final answer
    x = 403,981.84

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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.