Home / 471,005.20-706,289.10-204,628.60

Finding the Fourth Proportional to 471,005.20, 706,289.10 and 204,628.60

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Solution

The fourth proportional to 471,005.20, 706,289.10 and 204,628.60 is: 306,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,005.20 : 706,289.10 = 204,628.60 : x
  2. Step 2: Convert to fraction form
    471,005.20/706,289.10 = 204,628.60/x
  3. Step 3: Cross multiply
    471,005.20x = 706,289.10 × 204,628.60
  4. Step 4: Simplify right side
    471,005.20x = 144,526,949,728.26
  5. Step 5: Solve for x
    x = 144,526,949,728.26/471,005.20
  6. Step 6: Final answer
    x = 306,847.89

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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.