Home / 684,965.78-1,027,427.48-325,395.47

Finding the Fourth Proportional to 684,965.78, 1,027,427.48 and 325,395.47

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Solution

The fourth proportional to 684,965.78, 1,027,427.48 and 325,395.47 is: 488,083.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,965.78 : 1,027,427.48 = 325,395.47 : x
  2. Step 2: Convert to fraction form
    684,965.78/1,027,427.48 = 325,395.47/x
  3. Step 3: Cross multiply
    684,965.78x = 1,027,427.48 × 325,395.47
  4. Step 4: Simplify right side
    684,965.78x = 334,320,247,745.52
  5. Step 5: Solve for x
    x = 334,320,247,745.52/684,965.78
  6. Step 6: Final answer
    x = 488,083.14

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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.