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Finding the Fourth Proportional to 490,502.22, 676,897.52 and 296,914.38

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Solution

The fourth proportional to 490,502.22, 676,897.52 and 296,914.38 is: 409,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,502.22 : 676,897.52 = 296,914.38 : x
  2. Step 2: Convert to fraction form
    490,502.22/676,897.52 = 296,914.38/x
  3. Step 3: Cross multiply
    490,502.22x = 676,897.52 × 296,914.38
  4. Step 4: Simplify right side
    490,502.22x = 200,980,607,474.34
  5. Step 5: Solve for x
    x = 200,980,607,474.34/490,502.22
  6. Step 6: Final answer
    x = 409,744.54

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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.