Home / 923,524.20-1,385,424.81-324,379.76

Finding the Fourth Proportional to 923,524.20, 1,385,424.81 and 324,379.76

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Solution

The fourth proportional to 923,524.20, 1,385,424.81 and 324,379.76 is: 486,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,524.20 : 1,385,424.81 = 324,379.76 : x
  2. Step 2: Convert to fraction form
    923,524.20/1,385,424.81 = 324,379.76/x
  3. Step 3: Cross multiply
    923,524.20x = 1,385,424.81 × 324,379.76
  4. Step 4: Simplify right side
    923,524.20x = 449,403,760,438.72
  5. Step 5: Solve for x
    x = 449,403,760,438.72/923,524.20
  6. Step 6: Final answer
    x = 486,618.28

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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.