Home / 840,894.23-1,260,591.41-308,291.15

Finding the Fourth Proportional to 840,894.23, 1,260,591.41 and 308,291.15

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Solution

The fourth proportional to 840,894.23, 1,260,591.41 and 308,291.15 is: 462,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,894.23 : 1,260,591.41 = 308,291.15 : x
  2. Step 2: Convert to fraction form
    840,894.23/1,260,591.41 = 308,291.15/x
  3. Step 3: Cross multiply
    840,894.23x = 1,260,591.41 × 308,291.15
  4. Step 4: Simplify right side
    840,894.23x = 388,629,167,624.61
  5. Step 5: Solve for x
    x = 388,629,167,624.61/840,894.23
  6. Step 6: Final answer
    x = 462,161.78

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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.