Home / 856,797.28-1,285,186.08-351,245.28

Finding the Fourth Proportional to 856,797.28, 1,285,186.08 and 351,245.28

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Solution

The fourth proportional to 856,797.28, 1,285,186.08 and 351,245.28 is: 526,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,797.28 : 1,285,186.08 = 351,245.28 : x
  2. Step 2: Convert to fraction form
    856,797.28/1,285,186.08 = 351,245.28/x
  3. Step 3: Cross multiply
    856,797.28x = 1,285,186.08 × 351,245.28
  4. Step 4: Simplify right side
    856,797.28x = 451,415,544,521.70
  5. Step 5: Solve for x
    x = 451,415,544,521.70/856,797.28
  6. Step 6: Final answer
    x = 526,863.89

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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.