Home / 785,971.52-1,179,099.84-449,391.68

Finding the Fourth Proportional to 785,971.52, 1,179,099.84 and 449,391.68

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Solution

The fourth proportional to 785,971.52, 1,179,099.84 and 449,391.68 is: 674,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,971.52 : 1,179,099.84 = 449,391.68 : x
  2. Step 2: Convert to fraction form
    785,971.52/1,179,099.84 = 449,391.68/x
  3. Step 3: Cross multiply
    785,971.52x = 1,179,099.84 × 449,391.68
  4. Step 4: Simplify right side
    785,971.52x = 529,877,657,985.33
  5. Step 5: Solve for x
    x = 529,877,657,985.33/785,971.52
  6. Step 6: Final answer
    x = 674,169.03

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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.