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Finding the Fourth Proportional to 490,044.52, 734,885.34 and 174,416.68

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Solution

The fourth proportional to 490,044.52, 734,885.34 and 174,416.68 is: 261,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,044.52 : 734,885.34 = 174,416.68 : x
  2. Step 2: Convert to fraction form
    490,044.52/734,885.34 = 174,416.68/x
  3. Step 3: Cross multiply
    490,044.52x = 734,885.34 × 174,416.68
  4. Step 4: Simplify right side
    490,044.52x = 128,176,261,183.47
  5. Step 5: Solve for x
    x = 128,176,261,183.47/490,044.52
  6. Step 6: Final answer
    x = 261,560.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.