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Finding the Fourth Proportional to 703,033.20, 970,180.94 and 380,735.92

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Solution

The fourth proportional to 703,033.20, 970,180.94 and 380,735.92 is: 525,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,033.20 : 970,180.94 = 380,735.92 : x
  2. Step 2: Convert to fraction form
    703,033.20/970,180.94 = 380,735.92/x
  3. Step 3: Cross multiply
    703,033.20x = 970,180.94 × 380,735.92
  4. Step 4: Simplify right side
    703,033.20x = 369,382,732,757.37
  5. Step 5: Solve for x
    x = 369,382,732,757.37/703,033.20
  6. Step 6: Final answer
    x = 525,412.93

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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.