Home / 479,330.43-661,715.68-298,100.73

Finding the Fourth Proportional to 479,330.43, 661,715.68 and 298,100.73

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Solution

The fourth proportional to 479,330.43, 661,715.68 and 298,100.73 is: 411,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,330.43 : 661,715.68 = 298,100.73 : x
  2. Step 2: Convert to fraction form
    479,330.43/661,715.68 = 298,100.73/x
  3. Step 3: Cross multiply
    479,330.43x = 661,715.68 × 298,100.73
  4. Step 4: Simplify right side
    479,330.43x = 197,257,927,260.45
  5. Step 5: Solve for x
    x = 197,257,927,260.45/479,330.43
  6. Step 6: Final answer
    x = 411,528.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.