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Finding the Fourth Proportional to 618,477.56, 847,103.95 and 582,163.64

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Solution

The fourth proportional to 618,477.56, 847,103.95 and 582,163.64 is: 797,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,477.56 : 847,103.95 = 582,163.64 : x
  2. Step 2: Convert to fraction form
    618,477.56/847,103.95 = 582,163.64/x
  3. Step 3: Cross multiply
    618,477.56x = 847,103.95 × 582,163.64
  4. Step 4: Simplify right side
    618,477.56x = 493,153,118,990.38
  5. Step 5: Solve for x
    x = 493,153,118,990.38/618,477.56
  6. Step 6: Final answer
    x = 797,366.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.