Home / 688,467.87-1,031,963.49-332,992.89

Finding the Fourth Proportional to 688,467.87, 1,031,963.49 and 332,992.89

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Solution

The fourth proportional to 688,467.87, 1,031,963.49 and 332,992.89 is: 499,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,467.87 : 1,031,963.49 = 332,992.89 : x
  2. Step 2: Convert to fraction form
    688,467.87/1,031,963.49 = 332,992.89/x
  3. Step 3: Cross multiply
    688,467.87x = 1,031,963.49 × 332,992.89
  4. Step 4: Simplify right side
    688,467.87x = 343,636,504,909.59
  5. Step 5: Solve for x
    x = 343,636,504,909.59/688,467.87
  6. Step 6: Final answer
    x = 499,132.23

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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.