Home / 976,578.60-1,464,297.66-415,324.20

Finding the Fourth Proportional to 976,578.60, 1,464,297.66 and 415,324.20

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Solution

The fourth proportional to 976,578.60, 1,464,297.66 and 415,324.20 is: 622,743.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,578.60 : 1,464,297.66 = 415,324.20 : x
  2. Step 2: Convert to fraction form
    976,578.60/1,464,297.66 = 415,324.20/x
  3. Step 3: Cross multiply
    976,578.60x = 1,464,297.66 × 415,324.20
  4. Step 4: Simplify right side
    976,578.60x = 608,158,254,201.37
  5. Step 5: Solve for x
    x = 608,158,254,201.37/976,578.60
  6. Step 6: Final answer
    x = 622,743.79

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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.