Home / 728,097.78-1,092,638.73-254,787.24

Finding the Fourth Proportional to 728,097.78, 1,092,638.73 and 254,787.24

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Solution

The fourth proportional to 728,097.78, 1,092,638.73 and 254,787.24 is: 382,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,097.78 : 1,092,638.73 = 254,787.24 : x
  2. Step 2: Convert to fraction form
    728,097.78/1,092,638.73 = 254,787.24/x
  3. Step 3: Cross multiply
    728,097.78x = 1,092,638.73 × 254,787.24
  4. Step 4: Simplify right side
    728,097.78x = 278,390,406,333.81
  5. Step 5: Solve for x
    x = 278,390,406,333.81/728,097.78
  6. Step 6: Final answer
    x = 382,353.05

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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.