Home / 876,787.44-1,315,070.28-277,809.36

Finding the Fourth Proportional to 876,787.44, 1,315,070.28 and 277,809.36

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Solution

The fourth proportional to 876,787.44, 1,315,070.28 and 277,809.36 is: 416,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,787.44 : 1,315,070.28 = 277,809.36 : x
  2. Step 2: Convert to fraction form
    876,787.44/1,315,070.28 = 277,809.36/x
  3. Step 3: Cross multiply
    876,787.44x = 1,315,070.28 × 277,809.36
  4. Step 4: Simplify right side
    876,787.44x = 365,338,832,841.82
  5. Step 5: Solve for x
    x = 365,338,832,841.82/876,787.44
  6. Step 6: Final answer
    x = 416,678.91

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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.