Home / 471,579.42-650,587.23-290,236.62

Finding the Fourth Proportional to 471,579.42, 650,587.23 and 290,236.62

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Solution

The fourth proportional to 471,579.42, 650,587.23 and 290,236.62 is: 400,408.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,579.42 : 650,587.23 = 290,236.62 : x
  2. Step 2: Convert to fraction form
    471,579.42/650,587.23 = 290,236.62/x
  3. Step 3: Cross multiply
    471,579.42x = 650,587.23 × 290,236.62
  4. Step 4: Simplify right side
    471,579.42x = 188,824,238,650.36
  5. Step 5: Solve for x
    x = 188,824,238,650.36/471,579.42
  6. Step 6: Final answer
    x = 400,408.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.