Home / 655,748.57-983,755.46-276,670.25

Finding the Fourth Proportional to 655,748.57, 983,755.46 and 276,670.25

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Solution

The fourth proportional to 655,748.57, 983,755.46 and 276,670.25 is: 415,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,748.57 : 983,755.46 = 276,670.25 : x
  2. Step 2: Convert to fraction form
    655,748.57/983,755.46 = 276,670.25/x
  3. Step 3: Cross multiply
    655,748.57x = 983,755.46 × 276,670.25
  4. Step 4: Simplify right side
    655,748.57x = 272,175,869,057.07
  5. Step 5: Solve for x
    x = 272,175,869,057.07/655,748.57
  6. Step 6: Final answer
    x = 415,061.32

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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.