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Finding the Fourth Proportional to 611,512.46, 843,858.84 and 339,597.62

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Solution

The fourth proportional to 611,512.46, 843,858.84 and 339,597.62 is: 468,628.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,512.46 : 843,858.84 = 339,597.62 : x
  2. Step 2: Convert to fraction form
    611,512.46/843,858.84 = 339,597.62/x
  3. Step 3: Cross multiply
    611,512.46x = 843,858.84 × 339,597.62
  4. Step 4: Simplify right side
    611,512.46x = 286,572,453,679.96
  5. Step 5: Solve for x
    x = 286,572,453,679.96/611,512.46
  6. Step 6: Final answer
    x = 468,628.97

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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.