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Finding the Fourth Proportional to 434,250.79, 650,413.77 and 333,670.63

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Solution

The fourth proportional to 434,250.79, 650,413.77 and 333,670.63 is: 499,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,250.79 : 650,413.77 = 333,670.63 : x
  2. Step 2: Convert to fraction form
    434,250.79/650,413.77 = 333,670.63/x
  3. Step 3: Cross multiply
    434,250.79x = 650,413.77 × 333,670.63
  4. Step 4: Simplify right side
    434,250.79x = 217,023,972,396.58
  5. Step 5: Solve for x
    x = 217,023,972,396.58/434,250.79
  6. Step 6: Final answer
    x = 499,766.44

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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.