Home / 778,351.45-1,167,864.33-418,101.94

Finding the Fourth Proportional to 778,351.45, 1,167,864.33 and 418,101.94

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Solution

The fourth proportional to 778,351.45, 1,167,864.33 and 418,101.94 is: 627,334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,351.45 : 1,167,864.33 = 418,101.94 : x
  2. Step 2: Convert to fraction form
    778,351.45/1,167,864.33 = 418,101.94/x
  3. Step 3: Cross multiply
    778,351.45x = 1,167,864.33 × 418,101.94
  4. Step 4: Simplify right side
    778,351.45x = 488,286,342,029.80
  5. Step 5: Solve for x
    x = 488,286,342,029.80/778,351.45
  6. Step 6: Final answer
    x = 627,334.02

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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.