Home / 644,958.24-966,770.32-218,352.90

Finding the Fourth Proportional to 644,958.24, 966,770.32 and 218,352.90

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Solution

The fourth proportional to 644,958.24, 966,770.32 and 218,352.90 is: 327,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,958.24 : 966,770.32 = 218,352.90 : x
  2. Step 2: Convert to fraction form
    644,958.24/966,770.32 = 218,352.90/x
  3. Step 3: Cross multiply
    644,958.24x = 966,770.32 × 218,352.90
  4. Step 4: Simplify right side
    644,958.24x = 211,097,103,005.93
  5. Step 5: Solve for x
    x = 211,097,103,005.93/644,958.24
  6. Step 6: Final answer
    x = 327,303.52

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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.