Home / 908,825.10-1,366,190.10-778,917.30

Finding the Fourth Proportional to 908,825.10, 1,366,190.10 and 778,917.30

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Solution

The fourth proportional to 908,825.10, 1,366,190.10 and 778,917.30 is: 1,170,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,825.10 : 1,366,190.10 = 778,917.30 : x
  2. Step 2: Convert to fraction form
    908,825.10/1,366,190.10 = 778,917.30/x
  3. Step 3: Cross multiply
    908,825.10x = 1,366,190.10 × 778,917.30
  4. Step 4: Simplify right side
    908,825.10x = 1,064,149,103,978.73
  5. Step 5: Solve for x
    x = 1,064,149,103,978.73/908,825.10
  6. Step 6: Final answer
    x = 1,170,906.38

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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.