Home / 677,066.68-1,015,395.30-203,626.36

Finding the Fourth Proportional to 677,066.68, 1,015,395.30 and 203,626.36

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Solution

The fourth proportional to 677,066.68, 1,015,395.30 and 203,626.36 is: 305,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,066.68 : 1,015,395.30 = 203,626.36 : x
  2. Step 2: Convert to fraction form
    677,066.68/1,015,395.30 = 203,626.36/x
  3. Step 3: Cross multiply
    677,066.68x = 1,015,395.30 × 203,626.36
  4. Step 4: Simplify right side
    677,066.68x = 206,761,248,900.11
  5. Step 5: Solve for x
    x = 206,761,248,900.11/677,066.68
  6. Step 6: Final answer
    x = 305,377.97

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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.