Home / 846,107.28-1,269,165.24-285,146.64

Finding the Fourth Proportional to 846,107.28, 1,269,165.24 and 285,146.64

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Solution

The fourth proportional to 846,107.28, 1,269,165.24 and 285,146.64 is: 427,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,107.28 : 1,269,165.24 = 285,146.64 : x
  2. Step 2: Convert to fraction form
    846,107.28/1,269,165.24 = 285,146.64/x
  3. Step 3: Cross multiply
    846,107.28x = 1,269,165.24 × 285,146.64
  4. Step 4: Simplify right side
    846,107.28x = 361,898,203,790.79
  5. Step 5: Solve for x
    x = 361,898,203,790.79/846,107.28
  6. Step 6: Final answer
    x = 427,721.42

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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.