Home / 776,813.56-1,165,135.56-208,250.44

Finding the Fourth Proportional to 776,813.56, 1,165,135.56 and 208,250.44

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Solution

The fourth proportional to 776,813.56, 1,165,135.56 and 208,250.44 is: 312,352.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,813.56 : 1,165,135.56 = 208,250.44 : x
  2. Step 2: Convert to fraction form
    776,813.56/1,165,135.56 = 208,250.44/x
  3. Step 3: Cross multiply
    776,813.56x = 1,165,135.56 × 208,250.44
  4. Step 4: Simplify right side
    776,813.56x = 242,639,993,029.65
  5. Step 5: Solve for x
    x = 242,639,993,029.65/776,813.56
  6. Step 6: Final answer
    x = 312,352.93

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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.