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Finding the Fourth Proportional to 702,253.40, 969,102.77 and 379,956.42

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Solution

The fourth proportional to 702,253.40, 969,102.77 and 379,956.42 is: 524,336.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,253.40 : 969,102.77 = 379,956.42 : x
  2. Step 2: Convert to fraction form
    702,253.40/969,102.77 = 379,956.42/x
  3. Step 3: Cross multiply
    702,253.40x = 969,102.77 × 379,956.42
  4. Step 4: Simplify right side
    702,253.40x = 368,216,817,201.50
  5. Step 5: Solve for x
    x = 368,216,817,201.50/702,253.40
  6. Step 6: Final answer
    x = 524,336.12

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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.