Home / 683,380.80-1,025,087.40-210,070.26

Finding the Fourth Proportional to 683,380.80, 1,025,087.40 and 210,070.26

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Solution

The fourth proportional to 683,380.80, 1,025,087.40 and 210,070.26 is: 315,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,380.80 : 1,025,087.40 = 210,070.26 : x
  2. Step 2: Convert to fraction form
    683,380.80/1,025,087.40 = 210,070.26/x
  3. Step 3: Cross multiply
    683,380.80x = 1,025,087.40 × 210,070.26
  4. Step 4: Simplify right side
    683,380.80x = 215,340,376,640.72
  5. Step 5: Solve for x
    x = 215,340,376,640.72/683,380.80
  6. Step 6: Final answer
    x = 315,110.37

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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.