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Finding the Fourth Proportional to 702,797.76, 969,861.48 and 380,508.08

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Solution

The fourth proportional to 702,797.76, 969,861.48 and 380,508.08 is: 525,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,797.76 : 969,861.48 = 380,508.08 : x
  2. Step 2: Convert to fraction form
    702,797.76/969,861.48 = 380,508.08/x
  3. Step 3: Cross multiply
    702,797.76x = 969,861.48 × 380,508.08
  4. Step 4: Simplify right side
    702,797.76x = 369,040,129,620.76
  5. Step 5: Solve for x
    x = 369,040,129,620.76/702,797.76
  6. Step 6: Final answer
    x = 525,101.46

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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.