Home / 918,429.71-1,267,448.15-504,983.97

Finding the Fourth Proportional to 918,429.71, 1,267,448.15 and 504,983.97

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Solution

The fourth proportional to 918,429.71, 1,267,448.15 and 504,983.97 is: 696,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,429.71 : 1,267,448.15 = 504,983.97 : x
  2. Step 2: Convert to fraction form
    918,429.71/1,267,448.15 = 504,983.97/x
  3. Step 3: Cross multiply
    918,429.71x = 1,267,448.15 × 504,983.97
  4. Step 4: Simplify right side
    918,429.71x = 640,040,998,556.16
  5. Step 5: Solve for x
    x = 640,040,998,556.16/918,429.71
  6. Step 6: Final answer
    x = 696,886.21

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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.