Home / 890,748.78-1,335,861.95-251,009.97

Finding the Fourth Proportional to 890,748.78, 1,335,861.95 and 251,009.97

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Solution

The fourth proportional to 890,748.78, 1,335,861.95 and 251,009.97 is: 376,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,748.78 : 1,335,861.95 = 251,009.97 : x
  2. Step 2: Convert to fraction form
    890,748.78/1,335,861.95 = 251,009.97/x
  3. Step 3: Cross multiply
    890,748.78x = 1,335,861.95 × 251,009.97
  4. Step 4: Simplify right side
    890,748.78x = 335,314,666,738.59
  5. Step 5: Solve for x
    x = 335,314,666,738.59/890,748.78
  6. Step 6: Final answer
    x = 376,441.34

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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.