Home / 707,941.70-1,061,912.55-209,305.70

Finding the Fourth Proportional to 707,941.70, 1,061,912.55 and 209,305.70

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Solution

The fourth proportional to 707,941.70, 1,061,912.55 and 209,305.70 is: 313,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,941.70 : 1,061,912.55 = 209,305.70 : x
  2. Step 2: Convert to fraction form
    707,941.70/1,061,912.55 = 209,305.70/x
  3. Step 3: Cross multiply
    707,941.70x = 1,061,912.55 × 209,305.70
  4. Step 4: Simplify right side
    707,941.70x = 222,264,349,616.54
  5. Step 5: Solve for x
    x = 222,264,349,616.54/707,941.70
  6. Step 6: Final answer
    x = 313,958.55

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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.