Home / 678,563.97-1,016,295.24-323,827.10

Finding the Fourth Proportional to 678,563.97, 1,016,295.24 and 323,827.10

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Solution

The fourth proportional to 678,563.97, 1,016,295.24 and 323,827.10 is: 485,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,563.97 : 1,016,295.24 = 323,827.10 : x
  2. Step 2: Convert to fraction form
    678,563.97/1,016,295.24 = 323,827.10/x
  3. Step 3: Cross multiply
    678,563.97x = 1,016,295.24 × 323,827.10
  4. Step 4: Simplify right side
    678,563.97x = 329,103,944,152.12
  5. Step 5: Solve for x
    x = 329,103,944,152.12/678,563.97
  6. Step 6: Final answer
    x = 485,000.62

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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.