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Finding the Fourth Proportional to 606,919.56, 837,549 and 338,647.56

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Solution

The fourth proportional to 606,919.56, 837,549 and 338,647.56 is: 467,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,919.56 : 837,549 = 338,647.56 : x
  2. Step 2: Convert to fraction form
    606,919.56/837,549 = 338,647.56/x
  3. Step 3: Cross multiply
    606,919.56x = 837,549 × 338,647.56
  4. Step 4: Simplify right side
    606,919.56x = 283,633,925,230.44
  5. Step 5: Solve for x
    x = 283,633,925,230.44/606,919.56
  6. Step 6: Final answer
    x = 467,333.64

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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.