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Finding the Fourth Proportional to 490,248.83, 676,606.59 and 275,388.83

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Solution

The fourth proportional to 490,248.83, 676,606.59 and 275,388.83 is: 380,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,248.83 : 676,606.59 = 275,388.83 : x
  2. Step 2: Convert to fraction form
    490,248.83/676,606.59 = 275,388.83/x
  3. Step 3: Cross multiply
    490,248.83x = 676,606.59 × 275,388.83
  4. Step 4: Simplify right side
    490,248.83x = 186,329,897,190.39
  5. Step 5: Solve for x
    x = 186,329,897,190.39/490,248.83
  6. Step 6: Final answer
    x = 380,072.09

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1.5x scale

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.