Home / 609,195.62-914,631.98-309,878.75

Finding the Fourth Proportional to 609,195.62, 914,631.98 and 309,878.75

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Solution

The fourth proportional to 609,195.62, 914,631.98 and 309,878.75 is: 465,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,195.62 : 914,631.98 = 309,878.75 : x
  2. Step 2: Convert to fraction form
    609,195.62/914,631.98 = 309,878.75/x
  3. Step 3: Cross multiply
    609,195.62x = 914,631.98 × 309,878.75
  4. Step 4: Simplify right side
    609,195.62x = 283,425,014,672.43
  5. Step 5: Solve for x
    x = 283,425,014,672.43/609,195.62
  6. Step 6: Final answer
    x = 465,244.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.