Home / 697,431.40-1,045,149-397,292.56

Finding the Fourth Proportional to 697,431.40, 1,045,149 and 397,292.56

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Solution

The fourth proportional to 697,431.40, 1,045,149 and 397,292.56 is: 595,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,431.40 : 1,045,149 = 397,292.56 : x
  2. Step 2: Convert to fraction form
    697,431.40/1,045,149 = 397,292.56/x
  3. Step 3: Cross multiply
    697,431.40x = 1,045,149 × 397,292.56
  4. Step 4: Simplify right side
    697,431.40x = 415,229,921,791.44
  5. Step 5: Solve for x
    x = 415,229,921,791.44/697,431.40
  6. Step 6: Final answer
    x = 595,370.27

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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.