Home / 876,852.82-1,315,317.50-277,858.12

Finding the Fourth Proportional to 876,852.82, 1,315,317.50 and 277,858.12

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Solution

The fourth proportional to 876,852.82, 1,315,317.50 and 277,858.12 is: 416,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,852.82 : 1,315,317.50 = 277,858.12 : x
  2. Step 2: Convert to fraction form
    876,852.82/1,315,317.50 = 277,858.12/x
  3. Step 3: Cross multiply
    876,852.82x = 1,315,317.50 × 277,858.12
  4. Step 4: Simplify right side
    876,852.82x = 365,471,647,753.10
  5. Step 5: Solve for x
    x = 365,471,647,753.10/876,852.82
  6. Step 6: Final answer
    x = 416,799.31

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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.