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Finding the Fourth Proportional to 441,425, 609,124.38 and 247,788.38

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Solution

The fourth proportional to 441,425, 609,124.38 and 247,788.38 is: 341,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,425 : 609,124.38 = 247,788.38 : x
  2. Step 2: Convert to fraction form
    441,425/609,124.38 = 247,788.38/x
  3. Step 3: Cross multiply
    441,425x = 609,124.38 × 247,788.38
  4. Step 4: Simplify right side
    441,425x = 150,933,943,338.70
  5. Step 5: Solve for x
    x = 150,933,943,338.70/441,425
  6. Step 6: Final answer
    x = 341,924.32

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Half scale
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Double scale
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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.