Home / 688,469.56-1,031,966.02-332,994.58

Finding the Fourth Proportional to 688,469.56, 1,031,966.02 and 332,994.58

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Solution

The fourth proportional to 688,469.56, 1,031,966.02 and 332,994.58 is: 499,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,469.56 : 1,031,966.02 = 332,994.58 : x
  2. Step 2: Convert to fraction form
    688,469.56/1,031,966.02 = 332,994.58/x
  3. Step 3: Cross multiply
    688,469.56x = 1,031,966.02 × 332,994.58
  4. Step 4: Simplify right side
    688,469.56x = 343,639,089,240.50
  5. Step 5: Solve for x
    x = 343,639,089,240.50/688,469.56
  6. Step 6: Final answer
    x = 499,134.76

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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.