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Finding the Fourth Proportional to 618,476.56, 847,102.58 and 582,162.64

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Solution

The fourth proportional to 618,476.56, 847,102.58 and 582,162.64 is: 797,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,476.56 : 847,102.58 = 582,162.64 : x
  2. Step 2: Convert to fraction form
    618,476.56/847,102.58 = 582,162.64/x
  3. Step 3: Cross multiply
    618,476.56x = 847,102.58 × 582,162.64
  4. Step 4: Simplify right side
    618,476.56x = 493,151,474,323.61
  5. Step 5: Solve for x
    x = 493,151,474,323.61/618,476.56
  6. Step 6: Final answer
    x = 797,364.86

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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.