Home / 890,997.30-1,336,428.74-283,761.07

Finding the Fourth Proportional to 890,997.30, 1,336,428.74 and 283,761.07

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Solution

The fourth proportional to 890,997.30, 1,336,428.74 and 283,761.07 is: 425,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,997.30 : 1,336,428.74 = 283,761.07 : x
  2. Step 2: Convert to fraction form
    890,997.30/1,336,428.74 = 283,761.07/x
  3. Step 3: Cross multiply
    890,997.30x = 1,336,428.74 × 283,761.07
  4. Step 4: Simplify right side
    890,997.30x = 379,226,453,727.87
  5. Step 5: Solve for x
    x = 379,226,453,727.87/890,997.30
  6. Step 6: Final answer
    x = 425,620.21

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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.