Home / 664,745.48-997,328.04-505,583.83

Finding the Fourth Proportional to 664,745.48, 997,328.04 and 505,583.83

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Solution

The fourth proportional to 664,745.48, 997,328.04 and 505,583.83 is: 758,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,745.48 : 997,328.04 = 505,583.83 : x
  2. Step 2: Convert to fraction form
    664,745.48/997,328.04 = 505,583.83/x
  3. Step 3: Cross multiply
    664,745.48x = 997,328.04 × 505,583.83
  4. Step 4: Simplify right side
    664,745.48x = 504,232,926,814.25
  5. Step 5: Solve for x
    x = 504,232,926,814.25/664,745.48
  6. Step 6: Final answer
    x = 758,535.32

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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.