Home / 684,965.28-1,027,426.73-325,394.97

Finding the Fourth Proportional to 684,965.28, 1,027,426.73 and 325,394.97

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Solution

The fourth proportional to 684,965.28, 1,027,426.73 and 325,394.97 is: 488,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,965.28 : 1,027,426.73 = 325,394.97 : x
  2. Step 2: Convert to fraction form
    684,965.28/1,027,426.73 = 325,394.97/x
  3. Step 3: Cross multiply
    684,965.28x = 1,027,426.73 × 325,394.97
  4. Step 4: Simplify right side
    684,965.28x = 334,319,490,799.04
  5. Step 5: Solve for x
    x = 334,319,490,799.04/684,965.28
  6. Step 6: Final answer
    x = 488,082.39

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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.