Home / 888,453.75-1,332,679.59-289,413.95

Finding the Fourth Proportional to 888,453.75, 1,332,679.59 and 289,413.95

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Solution

The fourth proportional to 888,453.75, 1,332,679.59 and 289,413.95 is: 434,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,453.75 : 1,332,679.59 = 289,413.95 : x
  2. Step 2: Convert to fraction form
    888,453.75/1,332,679.59 = 289,413.95/x
  3. Step 3: Cross multiply
    888,453.75x = 1,332,679.59 × 289,413.95
  4. Step 4: Simplify right side
    888,453.75x = 385,696,057,562.88
  5. Step 5: Solve for x
    x = 385,696,057,562.88/888,453.75
  6. Step 6: Final answer
    x = 434,120.58

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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.