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Finding the Fourth Proportional to 703,066.77, 970,227.31 and 380,769.49

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Solution

The fourth proportional to 703,066.77, 970,227.31 and 380,769.49 is: 525,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,066.77 : 970,227.31 = 380,769.49 : x
  2. Step 2: Convert to fraction form
    703,066.77/970,227.31 = 380,769.49/x
  3. Step 3: Cross multiply
    703,066.77x = 970,227.31 × 380,769.49
  4. Step 4: Simplify right side
    703,066.77x = 369,432,958,012.77
  5. Step 5: Solve for x
    x = 369,432,958,012.77/703,066.77
  6. Step 6: Final answer
    x = 525,459.28

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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.