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Finding the Fourth Proportional to 703,068.26, 970,229.38 and 380,771

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Solution

The fourth proportional to 703,068.26, 970,229.38 and 380,771 is: 525,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,068.26 : 970,229.38 = 380,771 : x
  2. Step 2: Convert to fraction form
    703,068.26/970,229.38 = 380,771/x
  3. Step 3: Cross multiply
    703,068.26x = 970,229.38 × 380,771
  4. Step 4: Simplify right side
    703,068.26x = 369,435,211,251.98
  5. Step 5: Solve for x
    x = 369,435,211,251.98/703,068.26
  6. Step 6: Final answer
    x = 525,461.37

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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.