Home / 693,143.88-1,040,104.62-377,622.96

Finding the Fourth Proportional to 693,143.88, 1,040,104.62 and 377,622.96

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Solution

The fourth proportional to 693,143.88, 1,040,104.62 and 377,622.96 is: 566,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,143.88 : 1,040,104.62 = 377,622.96 : x
  2. Step 2: Convert to fraction form
    693,143.88/1,040,104.62 = 377,622.96/x
  3. Step 3: Cross multiply
    693,143.88x = 1,040,104.62 × 377,622.96
  4. Step 4: Simplify right side
    693,143.88x = 392,767,385,314.08
  5. Step 5: Solve for x
    x = 392,767,385,314.08/693,143.88
  6. Step 6: Final answer
    x = 566,646.26

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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.