Home / 684,804.73-1,027,425.81-329,854.63

Finding the Fourth Proportional to 684,804.73, 1,027,425.81 and 329,854.63

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Solution

The fourth proportional to 684,804.73, 1,027,425.81 and 329,854.63 is: 494,887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,804.73 : 1,027,425.81 = 329,854.63 : x
  2. Step 2: Convert to fraction form
    684,804.73/1,027,425.81 = 329,854.63/x
  3. Step 3: Cross multiply
    684,804.73x = 1,027,425.81 × 329,854.63
  4. Step 4: Simplify right side
    684,804.73x = 338,901,160,410.00
  5. Step 5: Solve for x
    x = 338,901,160,410.00/684,804.73
  6. Step 6: Final answer
    x = 494,887.29

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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.