Home / 722,020.62-1,083,056.05-342,745.96

Finding the Fourth Proportional to 722,020.62, 1,083,056.05 and 342,745.96

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Solution

The fourth proportional to 722,020.62, 1,083,056.05 and 342,745.96 is: 514,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,020.62 : 1,083,056.05 = 342,745.96 : x
  2. Step 2: Convert to fraction form
    722,020.62/1,083,056.05 = 342,745.96/x
  3. Step 3: Cross multiply
    722,020.62x = 1,083,056.05 × 342,745.96
  4. Step 4: Simplify right side
    722,020.62x = 371,213,081,814.48
  5. Step 5: Solve for x
    x = 371,213,081,814.48/722,020.62
  6. Step 6: Final answer
    x = 514,130.86

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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.