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Finding the Fourth Proportional to 496,359.36, 744,256.56 and 338,778.72

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Solution

The fourth proportional to 496,359.36, 744,256.56 and 338,778.72 is: 507,975.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,359.36 : 744,256.56 = 338,778.72 : x
  2. Step 2: Convert to fraction form
    496,359.36/744,256.56 = 338,778.72/x
  3. Step 3: Cross multiply
    496,359.36x = 744,256.56 × 338,778.72
  4. Step 4: Simplify right side
    496,359.36x = 252,138,284,748.40
  5. Step 5: Solve for x
    x = 252,138,284,748.40/496,359.36
  6. Step 6: Final answer
    x = 507,975.28

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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.