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Finding the Fourth Proportional to 702,677.04, 969,687.72 and 380,378.88

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Solution

The fourth proportional to 702,677.04, 969,687.72 and 380,378.88 is: 524,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,677.04 : 969,687.72 = 380,378.88 : x
  2. Step 2: Convert to fraction form
    702,677.04/969,687.72 = 380,378.88/x
  3. Step 3: Cross multiply
    702,677.04x = 969,687.72 × 380,378.88
  4. Step 4: Simplify right side
    702,677.04x = 368,848,728,883.35
  5. Step 5: Solve for x
    x = 368,848,728,883.35/702,677.04
  6. Step 6: Final answer
    x = 524,919.28

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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.