Home / 767,671.88-1,151,459.37-299,796.17

Finding the Fourth Proportional to 767,671.88, 1,151,459.37 and 299,796.17

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Solution

The fourth proportional to 767,671.88, 1,151,459.37 and 299,796.17 is: 449,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,671.88 : 1,151,459.37 = 299,796.17 : x
  2. Step 2: Convert to fraction form
    767,671.88/1,151,459.37 = 299,796.17/x
  3. Step 3: Cross multiply
    767,671.88x = 1,151,459.37 × 299,796.17
  4. Step 4: Simplify right side
    767,671.88x = 345,203,103,279.32
  5. Step 5: Solve for x
    x = 345,203,103,279.32/767,671.88
  6. Step 6: Final answer
    x = 449,675.33

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Double scale
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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.