Home / 888,486.50-1,226,112.18-486,078.50

Finding the Fourth Proportional to 888,486.50, 1,226,112.18 and 486,078.50

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Solution

The fourth proportional to 888,486.50, 1,226,112.18 and 486,078.50 is: 670,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,486.50 : 1,226,112.18 = 486,078.50 : x
  2. Step 2: Convert to fraction form
    888,486.50/1,226,112.18 = 486,078.50/x
  3. Step 3: Cross multiply
    888,486.50x = 1,226,112.18 × 486,078.50
  4. Step 4: Simplify right side
    888,486.50x = 595,986,769,286.13
  5. Step 5: Solve for x
    x = 595,986,769,286.13/888,486.50
  6. Step 6: Final answer
    x = 670,788.77

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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.