Home / 669,965.74-1,004,732.64-220,579.61

Finding the Fourth Proportional to 669,965.74, 1,004,732.64 and 220,579.61

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Solution

The fourth proportional to 669,965.74, 1,004,732.64 and 220,579.61 is: 330,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,965.74 : 1,004,732.64 = 220,579.61 : x
  2. Step 2: Convert to fraction form
    669,965.74/1,004,732.64 = 220,579.61/x
  3. Step 3: Cross multiply
    669,965.74x = 1,004,732.64 × 220,579.61
  4. Step 4: Simplify right side
    669,965.74x = 221,623,534,513.43
  5. Step 5: Solve for x
    x = 221,623,534,513.43/669,965.74
  6. Step 6: Final answer
    x = 330,798.31

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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.