Home / 923,520.80-1,384,114.80-449,184.80

Finding the Fourth Proportional to 923,520.80, 1,384,114.80 and 449,184.80

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Solution

The fourth proportional to 923,520.80, 1,384,114.80 and 449,184.80 is: 673,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,520.80 : 1,384,114.80 = 449,184.80 : x
  2. Step 2: Convert to fraction form
    923,520.80/1,384,114.80 = 449,184.80/x
  3. Step 3: Cross multiply
    923,520.80x = 1,384,114.80 × 449,184.80
  4. Step 4: Simplify right side
    923,520.80x = 621,723,329,615.04
  5. Step 5: Solve for x
    x = 621,723,329,615.04/923,520.80
  6. Step 6: Final answer
    x = 673,209.88

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Double scale
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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.