Home / 762,692.55-1,052,512.79-418,534.26

Finding the Fourth Proportional to 762,692.55, 1,052,512.79 and 418,534.26

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Solution

The fourth proportional to 762,692.55, 1,052,512.79 and 418,534.26 is: 577,575.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,692.55 : 1,052,512.79 = 418,534.26 : x
  2. Step 2: Convert to fraction form
    762,692.55/1,052,512.79 = 418,534.26/x
  3. Step 3: Cross multiply
    762,692.55x = 1,052,512.79 × 418,534.26
  4. Step 4: Simplify right side
    762,692.55x = 440,512,659,610.51
  5. Step 5: Solve for x
    x = 440,512,659,610.51/762,692.55
  6. Step 6: Final answer
    x = 577,575.67

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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.