Home / 755,355.78-1,132,478.82-355,771.44

Finding the Fourth Proportional to 755,355.78, 1,132,478.82 and 355,771.44

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Solution

The fourth proportional to 755,355.78, 1,132,478.82 and 355,771.44 is: 533,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,355.78 : 1,132,478.82 = 355,771.44 : x
  2. Step 2: Convert to fraction form
    755,355.78/1,132,478.82 = 355,771.44/x
  3. Step 3: Cross multiply
    755,355.78x = 1,132,478.82 × 355,771.44
  4. Step 4: Simplify right side
    755,355.78x = 402,903,620,560.90
  5. Step 5: Solve for x
    x = 402,903,620,560.90/755,355.78
  6. Step 6: Final answer
    x = 533,395.83

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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.