Home / 840,047.94-1,260,069.54-208,961.82

Finding the Fourth Proportional to 840,047.94, 1,260,069.54 and 208,961.82

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Solution

The fourth proportional to 840,047.94, 1,260,069.54 and 208,961.82 is: 313,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,047.94 : 1,260,069.54 = 208,961.82 : x
  2. Step 2: Convert to fraction form
    840,047.94/1,260,069.54 = 208,961.82/x
  3. Step 3: Cross multiply
    840,047.94x = 1,260,069.54 × 208,961.82
  4. Step 4: Simplify right side
    840,047.94x = 263,306,424,404.96
  5. Step 5: Solve for x
    x = 263,306,424,404.96/840,047.94
  6. Step 6: Final answer
    x = 313,442.14

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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.