Home / 833,313.40-1,250,028.78-412,476.28

Finding the Fourth Proportional to 833,313.40, 1,250,028.78 and 412,476.28

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Solution

The fourth proportional to 833,313.40, 1,250,028.78 and 412,476.28 is: 618,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,313.40 : 1,250,028.78 = 412,476.28 : x
  2. Step 2: Convert to fraction form
    833,313.40/1,250,028.78 = 412,476.28/x
  3. Step 3: Cross multiply
    833,313.40x = 1,250,028.78 × 412,476.28
  4. Step 4: Simplify right side
    833,313.40x = 515,607,221,067.34
  5. Step 5: Solve for x
    x = 515,607,221,067.34/833,313.40
  6. Step 6: Final answer
    x = 618,743.47

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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.