Home / 856,483.20-1,284,622.20-225,446.76

Finding the Fourth Proportional to 856,483.20, 1,284,622.20 and 225,446.76

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Solution

The fourth proportional to 856,483.20, 1,284,622.20 and 225,446.76 is: 338,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,483.20 : 1,284,622.20 = 225,446.76 : x
  2. Step 2: Convert to fraction form
    856,483.20/1,284,622.20 = 225,446.76/x
  3. Step 3: Cross multiply
    856,483.20x = 1,284,622.20 × 225,446.76
  4. Step 4: Simplify right side
    856,483.20x = 289,613,912,814.07
  5. Step 5: Solve for x
    x = 289,613,912,814.07/856,483.20
  6. Step 6: Final answer
    x = 338,143.13

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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.