Home / 691,794.87-1,037,636.91-307,662.66

Finding the Fourth Proportional to 691,794.87, 1,037,636.91 and 307,662.66

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Solution

The fourth proportional to 691,794.87, 1,037,636.91 and 307,662.66 is: 461,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,794.87 : 1,037,636.91 = 307,662.66 : x
  2. Step 2: Convert to fraction form
    691,794.87/1,037,636.91 = 307,662.66/x
  3. Step 3: Cross multiply
    691,794.87x = 1,037,636.91 × 307,662.66
  4. Step 4: Simplify right side
    691,794.87x = 319,242,131,844.78
  5. Step 5: Solve for x
    x = 319,242,131,844.78/691,794.87
  6. Step 6: Final answer
    x = 461,469.35

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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.