Home / 622,731.60-932,129.10-445,584.60

Finding the Fourth Proportional to 622,731.60, 932,129.10 and 445,584.60

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Solution

The fourth proportional to 622,731.60, 932,129.10 and 445,584.60 is: 666,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,731.60 : 932,129.10 = 445,584.60 : x
  2. Step 2: Convert to fraction form
    622,731.60/932,129.10 = 445,584.60/x
  3. Step 3: Cross multiply
    622,731.60x = 932,129.10 × 445,584.60
  4. Step 4: Simplify right side
    622,731.60x = 415,342,372,171.86
  5. Step 5: Solve for x
    x = 415,342,372,171.86/622,731.60
  6. Step 6: Final answer
    x = 666,968.52

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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.