Home / 669,975.88-1,004,747.80-220,589.72

Finding the Fourth Proportional to 669,975.88, 1,004,747.80 and 220,589.72

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Solution

The fourth proportional to 669,975.88, 1,004,747.80 and 220,589.72 is: 330,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,975.88 : 1,004,747.80 = 220,589.72 : x
  2. Step 2: Convert to fraction form
    669,975.88/1,004,747.80 = 220,589.72/x
  3. Step 3: Cross multiply
    669,975.88x = 1,004,747.80 × 220,589.72
  4. Step 4: Simplify right side
    669,975.88x = 221,637,035,872.62
  5. Step 5: Solve for x
    x = 221,637,035,872.62/669,975.88
  6. Step 6: Final answer
    x = 330,813.46

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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.