Home / 610,764.57-842,857.25-338,837.85

Finding the Fourth Proportional to 610,764.57, 842,857.25 and 338,837.85

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Solution

The fourth proportional to 610,764.57, 842,857.25 and 338,837.85 is: 467,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,764.57 : 842,857.25 = 338,837.85 : x
  2. Step 2: Convert to fraction form
    610,764.57/842,857.25 = 338,837.85/x
  3. Step 3: Cross multiply
    610,764.57x = 842,857.25 × 338,837.85
  4. Step 4: Simplify right side
    610,764.57x = 285,591,936,752.72
  5. Step 5: Solve for x
    x = 285,591,936,752.72/610,764.57
  6. Step 6: Final answer
    x = 467,597.42

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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.