Home / 869,820.44-1,304,918.04-262,557.88

Finding the Fourth Proportional to 869,820.44, 1,304,918.04 and 262,557.88

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Solution

The fourth proportional to 869,820.44, 1,304,918.04 and 262,557.88 is: 393,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,820.44 : 1,304,918.04 = 262,557.88 : x
  2. Step 2: Convert to fraction form
    869,820.44/1,304,918.04 = 262,557.88/x
  3. Step 3: Cross multiply
    869,820.44x = 1,304,918.04 × 262,557.88
  4. Step 4: Simplify right side
    869,820.44x = 342,616,511,212.22
  5. Step 5: Solve for x
    x = 342,616,511,212.22/869,820.44
  6. Step 6: Final answer
    x = 393,893.38

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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.