Home / 866,829.10-1,300,247.70-305,863.60

Finding the Fourth Proportional to 866,829.10, 1,300,247.70 and 305,863.60

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Solution

The fourth proportional to 866,829.10, 1,300,247.70 and 305,863.60 is: 458,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,829.10 : 1,300,247.70 = 305,863.60 : x
  2. Step 2: Convert to fraction form
    866,829.10/1,300,247.70 = 305,863.60/x
  3. Step 3: Cross multiply
    866,829.10x = 1,300,247.70 × 305,863.60
  4. Step 4: Simplify right side
    866,829.10x = 397,698,442,413.72
  5. Step 5: Solve for x
    x = 397,698,442,413.72/866,829.10
  6. Step 6: Final answer
    x = 458,796.83

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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.