Home / 691,987.35-1,037,488.89-265,161.51

Finding the Fourth Proportional to 691,987.35, 1,037,488.89 and 265,161.51

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Solution

The fourth proportional to 691,987.35, 1,037,488.89 and 265,161.51 is: 397,553.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,987.35 : 1,037,488.89 = 265,161.51 : x
  2. Step 2: Convert to fraction form
    691,987.35/1,037,488.89 = 265,161.51/x
  3. Step 3: Cross multiply
    691,987.35x = 1,037,488.89 × 265,161.51
  4. Step 4: Simplify right side
    691,987.35x = 275,102,120,680.62
  5. Step 5: Solve for x
    x = 275,102,120,680.62/691,987.35
  6. Step 6: Final answer
    x = 397,553.68

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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.