Home / 694,469.70-1,041,779.27-221,044.34

Finding the Fourth Proportional to 694,469.70, 1,041,779.27 and 221,044.34

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Solution

The fourth proportional to 694,469.70, 1,041,779.27 and 221,044.34 is: 331,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,469.70 : 1,041,779.27 = 221,044.34 : x
  2. Step 2: Convert to fraction form
    694,469.70/1,041,779.27 = 221,044.34/x
  3. Step 3: Cross multiply
    694,469.70x = 1,041,779.27 × 221,044.34
  4. Step 4: Simplify right side
    694,469.70x = 230,279,414,319.89
  5. Step 5: Solve for x
    x = 230,279,414,319.89/694,469.70
  6. Step 6: Final answer
    x = 331,590.30

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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.