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Finding the Fourth Proportional to 610,568.88, 842,635.39 and 338,724.28

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Solution

The fourth proportional to 610,568.88, 842,635.39 and 338,724.28 is: 467,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,568.88 : 842,635.39 = 338,724.28 : x
  2. Step 2: Convert to fraction form
    610,568.88/842,635.39 = 338,724.28/x
  3. Step 3: Cross multiply
    610,568.88x = 842,635.39 × 338,724.28
  4. Step 4: Simplify right side
    610,568.88x = 285,421,060,720.28
  5. Step 5: Solve for x
    x = 285,421,060,720.28/610,568.88
  6. Step 6: Final answer
    x = 467,467.42

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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.