Home / 806,154.55-1,209,191.96-300,676.15

Finding the Fourth Proportional to 806,154.55, 1,209,191.96 and 300,676.15

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Solution

The fourth proportional to 806,154.55, 1,209,191.96 and 300,676.15 is: 450,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,154.55 : 1,209,191.96 = 300,676.15 : x
  2. Step 2: Convert to fraction form
    806,154.55/1,209,191.96 = 300,676.15/x
  3. Step 3: Cross multiply
    806,154.55x = 1,209,191.96 × 300,676.15
  4. Step 4: Simplify right side
    806,154.55x = 363,575,177,849.49
  5. Step 5: Solve for x
    x = 363,575,177,849.49/806,154.55
  6. Step 6: Final answer
    x = 450,999.35

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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.