Home / 680,699.84-1,021,171.32-231,397.07

Finding the Fourth Proportional to 680,699.84, 1,021,171.32 and 231,397.07

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Solution

The fourth proportional to 680,699.84, 1,021,171.32 and 231,397.07 is: 347,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,699.84 : 1,021,171.32 = 231,397.07 : x
  2. Step 2: Convert to fraction form
    680,699.84/1,021,171.32 = 231,397.07/x
  3. Step 3: Cross multiply
    680,699.84x = 1,021,171.32 × 231,397.07
  4. Step 4: Simplify right side
    680,699.84x = 236,296,046,310.18
  5. Step 5: Solve for x
    x = 236,296,046,310.18/680,699.84
  6. Step 6: Final answer
    x = 347,136.92

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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.