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Finding the Fourth Proportional to 703,049.56, 970,209.16 and 380,760.01

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Solution

The fourth proportional to 703,049.56, 970,209.16 and 380,760.01 is: 525,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,049.56 : 970,209.16 = 380,760.01 : x
  2. Step 2: Convert to fraction form
    703,049.56/970,209.16 = 380,760.01/x
  3. Step 3: Cross multiply
    703,049.56x = 970,209.16 × 380,760.01
  4. Step 4: Simplify right side
    703,049.56x = 369,416,846,086.27
  5. Step 5: Solve for x
    x = 369,416,846,086.27/703,049.56
  6. Step 6: Final answer
    x = 525,449.23

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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.