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Finding the Fourth Proportional to 703,270.53, 970,512.30 and 380,981.91

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Solution

The fourth proportional to 703,270.53, 970,512.30 and 380,981.91 is: 525,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,270.53 : 970,512.30 = 380,981.91 : x
  2. Step 2: Convert to fraction form
    703,270.53/970,512.30 = 380,981.91/x
  3. Step 3: Cross multiply
    703,270.53x = 970,512.30 × 380,981.91
  4. Step 4: Simplify right side
    703,270.53x = 369,747,629,732.49
  5. Step 5: Solve for x
    x = 369,747,629,732.49/703,270.53
  6. Step 6: Final answer
    x = 525,754.48

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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.