Home / 677,065.68-1,015,393.80-203,625.36

Finding the Fourth Proportional to 677,065.68, 1,015,393.80 and 203,625.36

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Solution

The fourth proportional to 677,065.68, 1,015,393.80 and 203,625.36 is: 305,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,065.68 : 1,015,393.80 = 203,625.36 : x
  2. Step 2: Convert to fraction form
    677,065.68/1,015,393.80 = 203,625.36/x
  3. Step 3: Cross multiply
    677,065.68x = 1,015,393.80 × 203,625.36
  4. Step 4: Simplify right side
    677,065.68x = 206,759,928,066.77
  5. Step 5: Solve for x
    x = 206,759,928,066.77/677,065.68
  6. Step 6: Final answer
    x = 305,376.47

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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.