Home / 809,241.10-1,213,861.65-508,747.30

Finding the Fourth Proportional to 809,241.10, 1,213,861.65 and 508,747.30

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Solution

The fourth proportional to 809,241.10, 1,213,861.65 and 508,747.30 is: 763,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,241.10 : 1,213,861.65 = 508,747.30 : x
  2. Step 2: Convert to fraction form
    809,241.10/1,213,861.65 = 508,747.30/x
  3. Step 3: Cross multiply
    809,241.10x = 1,213,861.65 × 508,747.30
  4. Step 4: Simplify right side
    809,241.10x = 617,548,837,011.05
  5. Step 5: Solve for x
    x = 617,548,837,011.05/809,241.10
  6. Step 6: Final answer
    x = 763,120.95

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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.