Home / 688,466.25-1,031,961.05-332,991.27

Finding the Fourth Proportional to 688,466.25, 1,031,961.05 and 332,991.27

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Solution

The fourth proportional to 688,466.25, 1,031,961.05 and 332,991.27 is: 499,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,466.25 : 1,031,961.05 = 332,991.27 : x
  2. Step 2: Convert to fraction form
    688,466.25/1,031,961.05 = 332,991.27/x
  3. Step 3: Cross multiply
    688,466.25x = 1,031,961.05 × 332,991.27
  4. Step 4: Simplify right side
    688,466.25x = 343,634,015,470.23
  5. Step 5: Solve for x
    x = 343,634,015,470.23/688,466.25
  6. Step 6: Final answer
    x = 499,129.79

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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.