Home / 683,198.43-1,024,809.80-209,887.89

Finding the Fourth Proportional to 683,198.43, 1,024,809.80 and 209,887.89

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Solution

The fourth proportional to 683,198.43, 1,024,809.80 and 209,887.89 is: 314,835.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,198.43 : 1,024,809.80 = 209,887.89 : x
  2. Step 2: Convert to fraction form
    683,198.43/1,024,809.80 = 209,887.89/x
  3. Step 3: Cross multiply
    683,198.43x = 1,024,809.80 × 209,887.89
  4. Step 4: Simplify right side
    683,198.43x = 215,095,165,523.88
  5. Step 5: Solve for x
    x = 215,095,165,523.88/683,198.43
  6. Step 6: Final answer
    x = 314,835.57

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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.