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Finding the Fourth Proportional to 610,388.14, 842,301.30 and 338,439.82

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Solution

The fourth proportional to 610,388.14, 842,301.30 and 338,439.82 is: 467,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,388.14 : 842,301.30 = 338,439.82 : x
  2. Step 2: Convert to fraction form
    610,388.14/842,301.30 = 338,439.82/x
  3. Step 3: Cross multiply
    610,388.14x = 842,301.30 × 338,439.82
  4. Step 4: Simplify right side
    610,388.14x = 285,068,300,357.77
  5. Step 5: Solve for x
    x = 285,068,300,357.77/610,388.14
  6. Step 6: Final answer
    x = 467,027.91

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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.