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Finding the Fourth Proportional to 539,245.20, 744,397.02 and 348,351.60

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Solution

The fourth proportional to 539,245.20, 744,397.02 and 348,351.60 is: 480,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,245.20 : 744,397.02 = 348,351.60 : x
  2. Step 2: Convert to fraction form
    539,245.20/744,397.02 = 348,351.60/x
  3. Step 3: Cross multiply
    539,245.20x = 744,397.02 × 348,351.60
  4. Step 4: Simplify right side
    539,245.20x = 259,311,892,952.23
  5. Step 5: Solve for x
    x = 259,311,892,952.23/539,245.20
  6. Step 6: Final answer
    x = 480,879.37

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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.