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Finding the Fourth Proportional to 480,339.60, 720,508.38 and 451,110.32

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Solution

The fourth proportional to 480,339.60, 720,508.38 and 451,110.32 is: 676,664.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,339.60 : 720,508.38 = 451,110.32 : x
  2. Step 2: Convert to fraction form
    480,339.60/720,508.38 = 451,110.32/x
  3. Step 3: Cross multiply
    480,339.60x = 720,508.38 × 451,110.32
  4. Step 4: Simplify right side
    480,339.60x = 325,028,765,864.48
  5. Step 5: Solve for x
    x = 325,028,765,864.48/480,339.60
  6. Step 6: Final answer
    x = 676,664.52

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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.