Home / 921,677.15-1,383,142.67-565,604.39

Finding the Fourth Proportional to 921,677.15, 1,383,142.67 and 565,604.39

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Solution

The fourth proportional to 921,677.15, 1,383,142.67 and 565,604.39 is: 848,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,677.15 : 1,383,142.67 = 565,604.39 : x
  2. Step 2: Convert to fraction form
    921,677.15/1,383,142.67 = 565,604.39/x
  3. Step 3: Cross multiply
    921,677.15x = 1,383,142.67 × 565,604.39
  4. Step 4: Simplify right side
    921,677.15x = 782,311,556,404.59
  5. Step 5: Solve for x
    x = 782,311,556,404.59/921,677.15
  6. Step 6: Final answer
    x = 848,791.32

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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.