Home / 840,049.94-1,260,072.54-208,963.82

Finding the Fourth Proportional to 840,049.94, 1,260,072.54 and 208,963.82

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Solution

The fourth proportional to 840,049.94, 1,260,072.54 and 208,963.82 is: 313,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,049.94 : 1,260,072.54 = 208,963.82 : x
  2. Step 2: Convert to fraction form
    840,049.94/1,260,072.54 = 208,963.82/x
  3. Step 3: Cross multiply
    840,049.94x = 1,260,072.54 × 208,963.82
  4. Step 4: Simplify right side
    840,049.94x = 263,309,571,435.50
  5. Step 5: Solve for x
    x = 263,309,571,435.50/840,049.94
  6. Step 6: Final answer
    x = 313,445.14

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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.