Home / 694,791.40-1,042,244.70-221,463.40

Finding the Fourth Proportional to 694,791.40, 1,042,244.70 and 221,463.40

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Solution

The fourth proportional to 694,791.40, 1,042,244.70 and 221,463.40 is: 332,213.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,791.40 : 1,042,244.70 = 221,463.40 : x
  2. Step 2: Convert to fraction form
    694,791.40/1,042,244.70 = 221,463.40/x
  3. Step 3: Cross multiply
    694,791.40x = 1,042,244.70 × 221,463.40
  4. Step 4: Simplify right side
    694,791.40x = 230,819,054,893.98
  5. Step 5: Solve for x
    x = 230,819,054,893.98/694,791.40
  6. Step 6: Final answer
    x = 332,213.46

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1.5x scale

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.