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Finding the Fourth Proportional to 891,676.81, 1,337,499.72 and 359,184.22

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Solution

The fourth proportional to 891,676.81, 1,337,499.72 and 359,184.22 is: 538,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,676.81 : 1,337,499.72 = 359,184.22 : x
  2. Step 2: Convert to fraction form
    891,676.81/1,337,499.72 = 359,184.22/x
  3. Step 3: Cross multiply
    891,676.81x = 1,337,499.72 × 359,184.22
  4. Step 4: Simplify right side
    891,676.81x = 480,408,796,847.90
  5. Step 5: Solve for x
    x = 480,408,796,847.90/891,676.81
  6. Step 6: Final answer
    x = 538,770.09

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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.