Home / 669,975.90-1,004,747.82-220,589.76

Finding the Fourth Proportional to 669,975.90, 1,004,747.82 and 220,589.76

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Solution

The fourth proportional to 669,975.90, 1,004,747.82 and 220,589.76 is: 330,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,975.90 : 1,004,747.82 = 220,589.76 : x
  2. Step 2: Convert to fraction form
    669,975.90/1,004,747.82 = 220,589.76/x
  3. Step 3: Cross multiply
    669,975.90x = 1,004,747.82 × 220,589.76
  4. Step 4: Simplify right side
    669,975.90x = 221,637,080,474.32
  5. Step 5: Solve for x
    x = 221,637,080,474.32/669,975.90
  6. Step 6: Final answer
    x = 330,813.51

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1.5x scale

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.