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Finding the Fourth Proportional to 703,033.70, 970,181.63 and 380,736.42

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Solution

The fourth proportional to 703,033.70, 970,181.63 and 380,736.42 is: 525,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,033.70 : 970,181.63 = 380,736.42 : x
  2. Step 2: Convert to fraction form
    703,033.70/970,181.63 = 380,736.42/x
  3. Step 3: Cross multiply
    703,033.70x = 970,181.63 × 380,736.42
  4. Step 4: Simplify right side
    703,033.70x = 369,383,480,555.97
  5. Step 5: Solve for x
    x = 369,383,480,555.97/703,033.70
  6. Step 6: Final answer
    x = 525,413.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.