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Finding the Fourth Proportional to 506,887.56, 759,658.77 and 422,812.44

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Solution

The fourth proportional to 506,887.56, 759,658.77 and 422,812.44 is: 633,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,887.56 : 759,658.77 = 422,812.44 : x
  2. Step 2: Convert to fraction form
    506,887.56/759,658.77 = 422,812.44/x
  3. Step 3: Cross multiply
    506,887.56x = 759,658.77 × 422,812.44
  4. Step 4: Simplify right side
    506,887.56x = 321,193,178,111.10
  5. Step 5: Solve for x
    x = 321,193,178,111.10/506,887.56
  6. Step 6: Final answer
    x = 633,657.65

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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.