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Finding the Fourth Proportional to 609,004.50, 840,427.86 and 337,091.13

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Solution

The fourth proportional to 609,004.50, 840,427.86 and 337,091.13 is: 465,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,004.50 : 840,427.86 = 337,091.13 : x
  2. Step 2: Convert to fraction form
    609,004.50/840,427.86 = 337,091.13/x
  3. Step 3: Cross multiply
    609,004.50x = 840,427.86 × 337,091.13
  4. Step 4: Simplify right side
    609,004.50x = 283,300,777,010.88
  5. Step 5: Solve for x
    x = 283,300,777,010.88/609,004.50
  6. Step 6: Final answer
    x = 465,186.67

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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.