Home / 667,626.36-1,000,235.48-411,012.33

Finding the Fourth Proportional to 667,626.36, 1,000,235.48 and 411,012.33

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Solution

The fourth proportional to 667,626.36, 1,000,235.48 and 411,012.33 is: 615,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,626.36 : 1,000,235.48 = 411,012.33 : x
  2. Step 2: Convert to fraction form
    667,626.36/1,000,235.48 = 411,012.33/x
  3. Step 3: Cross multiply
    667,626.36x = 1,000,235.48 × 411,012.33
  4. Step 4: Simplify right side
    667,626.36x = 411,109,115,183.47
  5. Step 5: Solve for x
    x = 411,109,115,183.47/667,626.36
  6. Step 6: Final answer
    x = 615,777.24

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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.