Home / 850,788.28-1,174,112.52-468,839.68

Finding the Fourth Proportional to 850,788.28, 1,174,112.52 and 468,839.68

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Solution

The fourth proportional to 850,788.28, 1,174,112.52 and 468,839.68 is: 647,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,788.28 : 1,174,112.52 = 468,839.68 : x
  2. Step 2: Convert to fraction form
    850,788.28/1,174,112.52 = 468,839.68/x
  3. Step 3: Cross multiply
    850,788.28x = 1,174,112.52 × 468,839.68
  4. Step 4: Simplify right side
    850,788.28x = 550,470,538,160.79
  5. Step 5: Solve for x
    x = 550,470,538,160.79/850,788.28
  6. Step 6: Final answer
    x = 647,012.37

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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.