Home / 854,516.20-1,281,847.48-223,429

Finding the Fourth Proportional to 854,516.20, 1,281,847.48 and 223,429

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Solution

The fourth proportional to 854,516.20, 1,281,847.48 and 223,429 is: 335,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,516.20 : 1,281,847.48 = 223,429 : x
  2. Step 2: Convert to fraction form
    854,516.20/1,281,847.48 = 223,429/x
  3. Step 3: Cross multiply
    854,516.20x = 1,281,847.48 × 223,429
  4. Step 4: Simplify right side
    854,516.20x = 286,401,900,608.92
  5. Step 5: Solve for x
    x = 286,401,900,608.92/854,516.20
  6. Step 6: Final answer
    x = 335,162.63

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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.