Home / 688,470.87-1,031,967.99-332,995.89

Finding the Fourth Proportional to 688,470.87, 1,031,967.99 and 332,995.89

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Solution

The fourth proportional to 688,470.87, 1,031,967.99 and 332,995.89 is: 499,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,470.87 : 1,031,967.99 = 332,995.89 : x
  2. Step 2: Convert to fraction form
    688,470.87/1,031,967.99 = 332,995.89/x
  3. Step 3: Cross multiply
    688,470.87x = 1,031,967.99 × 332,995.89
  4. Step 4: Simplify right side
    688,470.87x = 343,641,099,281.56
  5. Step 5: Solve for x
    x = 343,641,099,281.56/688,470.87
  6. Step 6: Final answer
    x = 499,136.73

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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.