Home / 688,468.87-1,031,964.99-332,993.89

Finding the Fourth Proportional to 688,468.87, 1,031,964.99 and 332,993.89

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Solution

The fourth proportional to 688,468.87, 1,031,964.99 and 332,993.89 is: 499,133.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,468.87 : 1,031,964.99 = 332,993.89 : x
  2. Step 2: Convert to fraction form
    688,468.87/1,031,964.99 = 332,993.89/x
  3. Step 3: Cross multiply
    688,468.87x = 1,031,964.99 × 332,993.89
  4. Step 4: Simplify right side
    688,468.87x = 343,638,036,363.91
  5. Step 5: Solve for x
    x = 343,638,036,363.91/688,468.87
  6. Step 6: Final answer
    x = 499,133.73

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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.