Home / 786,015.58-1,179,272.46-280,565.36

Finding the Fourth Proportional to 786,015.58, 1,179,272.46 and 280,565.36

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Solution

The fourth proportional to 786,015.58, 1,179,272.46 and 280,565.36 is: 420,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,015.58 : 1,179,272.46 = 280,565.36 : x
  2. Step 2: Convert to fraction form
    786,015.58/1,179,272.46 = 280,565.36/x
  3. Step 3: Cross multiply
    786,015.58x = 1,179,272.46 × 280,565.36
  4. Step 4: Simplify right side
    786,015.58x = 330,863,002,277.99
  5. Step 5: Solve for x
    x = 330,863,002,277.99/786,015.58
  6. Step 6: Final answer
    x = 420,936.95

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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.