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Finding the Fourth Proportional to 610,614.92, 842,614.22 and 338,663.30

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Solution

The fourth proportional to 610,614.92, 842,614.22 and 338,663.30 is: 467,336.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,614.92 : 842,614.22 = 338,663.30 : x
  2. Step 2: Convert to fraction form
    610,614.92/842,614.22 = 338,663.30/x
  3. Step 3: Cross multiply
    610,614.92x = 842,614.22 × 338,663.30
  4. Step 4: Simplify right side
    610,614.92x = 285,362,512,372.13
  5. Step 5: Solve for x
    x = 285,362,512,372.13/610,614.92
  6. Step 6: Final answer
    x = 467,336.29

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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.