Home / 669,456.84-1,003,971.96-220,073.70

Finding the Fourth Proportional to 669,456.84, 1,003,971.96 and 220,073.70

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Solution

The fourth proportional to 669,456.84, 1,003,971.96 and 220,073.70 is: 330,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,456.84 : 1,003,971.96 = 220,073.70 : x
  2. Step 2: Convert to fraction form
    669,456.84/1,003,971.96 = 220,073.70/x
  3. Step 3: Cross multiply
    669,456.84x = 1,003,971.96 × 220,073.70
  4. Step 4: Simplify right side
    669,456.84x = 220,947,823,933.45
  5. Step 5: Solve for x
    x = 220,947,823,933.45/669,456.84
  6. Step 6: Final answer
    x = 330,040.43

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1.5x scale

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.