Home / 762,944.88-1,052,857.08-418,770.60

Finding the Fourth Proportional to 762,944.88, 1,052,857.08 and 418,770.60

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Solution

The fourth proportional to 762,944.88, 1,052,857.08 and 418,770.60 is: 577,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,944.88 : 1,052,857.08 = 418,770.60 : x
  2. Step 2: Convert to fraction form
    762,944.88/1,052,857.08 = 418,770.60/x
  3. Step 3: Cross multiply
    762,944.88x = 1,052,857.08 × 418,770.60
  4. Step 4: Simplify right side
    762,944.88x = 440,905,591,105.85
  5. Step 5: Solve for x
    x = 440,905,591,105.85/762,944.88
  6. Step 6: Final answer
    x = 577,899.67

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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.