Home / 876,788.44-1,315,071.78-277,810.36

Finding the Fourth Proportional to 876,788.44, 1,315,071.78 and 277,810.36

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Solution

The fourth proportional to 876,788.44, 1,315,071.78 and 277,810.36 is: 416,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,788.44 : 1,315,071.78 = 277,810.36 : x
  2. Step 2: Convert to fraction form
    876,788.44/1,315,071.78 = 277,810.36/x
  3. Step 3: Cross multiply
    876,788.44x = 1,315,071.78 × 277,810.36
  4. Step 4: Simplify right side
    876,788.44x = 365,340,564,627.64
  5. Step 5: Solve for x
    x = 365,340,564,627.64/876,788.44
  6. Step 6: Final answer
    x = 416,680.41

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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.