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Finding the Fourth Proportional to 442,633.60, 662,913.60 and 301,628.80

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Solution

The fourth proportional to 442,633.60, 662,913.60 and 301,628.80 is: 451,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,633.60 : 662,913.60 = 301,628.80 : x
  2. Step 2: Convert to fraction form
    442,633.60/662,913.60 = 301,628.80/x
  3. Step 3: Cross multiply
    442,633.60x = 662,913.60 × 301,628.80
  4. Step 4: Simplify right side
    442,633.60x = 199,953,833,671.68
  5. Step 5: Solve for x
    x = 199,953,833,671.68/442,633.60
  6. Step 6: Final answer
    x = 451,736.68

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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.