Home / 923,120.27-1,385,298.90-324,083.21

Finding the Fourth Proportional to 923,120.27, 1,385,298.90 and 324,083.21

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Solution

The fourth proportional to 923,120.27, 1,385,298.90 and 324,083.21 is: 486,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,120.27 : 1,385,298.90 = 324,083.21 : x
  2. Step 2: Convert to fraction form
    923,120.27/1,385,298.90 = 324,083.21/x
  3. Step 3: Cross multiply
    923,120.27x = 1,385,298.90 × 324,083.21
  4. Step 4: Simplify right side
    923,120.27x = 448,952,107,394.98
  5. Step 5: Solve for x
    x = 448,952,107,394.98/923,120.27
  6. Step 6: Final answer
    x = 486,341.95

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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.