Home / 688,466.75-1,031,961.80-332,991.77

Finding the Fourth Proportional to 688,466.75, 1,031,961.80 and 332,991.77

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Solution

The fourth proportional to 688,466.75, 1,031,961.80 and 332,991.77 is: 499,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,466.75 : 1,031,961.80 = 332,991.77 : x
  2. Step 2: Convert to fraction form
    688,466.75/1,031,961.80 = 332,991.77/x
  3. Step 3: Cross multiply
    688,466.75x = 1,031,961.80 × 332,991.77
  4. Step 4: Simplify right side
    688,466.75x = 343,634,781,194.58
  5. Step 5: Solve for x
    x = 343,634,781,194.58/688,466.75
  6. Step 6: Final answer
    x = 499,130.54

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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.