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Finding the Fourth Proportional to 630,383.49, 944,707.89 and 270,123.09

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Solution

The fourth proportional to 630,383.49, 944,707.89 and 270,123.09 is: 404,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,383.49 : 944,707.89 = 270,123.09 : x
  2. Step 2: Convert to fraction form
    630,383.49/944,707.89 = 270,123.09/x
  3. Step 3: Cross multiply
    630,383.49x = 944,707.89 × 270,123.09
  4. Step 4: Simplify right side
    630,383.49x = 255,187,414,394.18
  5. Step 5: Solve for x
    x = 255,187,414,394.18/630,383.49
  6. Step 6: Final answer
    x = 404,812.97

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1.5x scale

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.