Home / 670,009.05-1,004,797.61-220,622.92

Finding the Fourth Proportional to 670,009.05, 1,004,797.61 and 220,622.92

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Solution

The fourth proportional to 670,009.05, 1,004,797.61 and 220,622.92 is: 330,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,009.05 : 1,004,797.61 = 220,622.92 : x
  2. Step 2: Convert to fraction form
    670,009.05/1,004,797.61 = 220,622.92/x
  3. Step 3: Cross multiply
    670,009.05x = 1,004,797.61 × 220,622.92
  4. Step 4: Simplify right side
    670,009.05x = 221,681,385,591.44
  5. Step 5: Solve for x
    x = 221,681,385,591.44/670,009.05
  6. Step 6: Final answer
    x = 330,863.27

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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.