Home / 723,706.92-1,085,563.44-302,687.64

Finding the Fourth Proportional to 723,706.92, 1,085,563.44 and 302,687.64

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Solution

The fourth proportional to 723,706.92, 1,085,563.44 and 302,687.64 is: 454,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,706.92 : 1,085,563.44 = 302,687.64 : x
  2. Step 2: Convert to fraction form
    723,706.92/1,085,563.44 = 302,687.64/x
  3. Step 3: Cross multiply
    723,706.92x = 1,085,563.44 × 302,687.64
  4. Step 4: Simplify right side
    723,706.92x = 328,586,635,723.88
  5. Step 5: Solve for x
    x = 328,586,635,723.88/723,706.92
  6. Step 6: Final answer
    x = 454,032.74

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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.