Home / 985,189.96-1,359,563.97-555,469.03

Finding the Fourth Proportional to 985,189.96, 1,359,563.97 and 555,469.03

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Solution

The fourth proportional to 985,189.96, 1,359,563.97 and 555,469.03 is: 766,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,189.96 : 1,359,563.97 = 555,469.03 : x
  2. Step 2: Convert to fraction form
    985,189.96/1,359,563.97 = 555,469.03/x
  3. Step 3: Cross multiply
    985,189.96x = 1,359,563.97 × 555,469.03
  4. Step 4: Simplify right side
    985,189.96x = 755,195,679,638.85
  5. Step 5: Solve for x
    x = 755,195,679,638.85/985,189.96
  6. Step 6: Final answer
    x = 766,548.29

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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.