Home / 684,673.88-1,027,104.27-285,221.22

Finding the Fourth Proportional to 684,673.88, 1,027,104.27 and 285,221.22

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Solution

The fourth proportional to 684,673.88, 1,027,104.27 and 285,221.22 is: 427,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,673.88 : 1,027,104.27 = 285,221.22 : x
  2. Step 2: Convert to fraction form
    684,673.88/1,027,104.27 = 285,221.22/x
  3. Step 3: Cross multiply
    684,673.88x = 1,027,104.27 × 285,221.22
  4. Step 4: Simplify right side
    684,673.88x = 292,951,932,956.61
  5. Step 5: Solve for x
    x = 292,951,932,956.61/684,673.88
  6. Step 6: Final answer
    x = 427,870.76

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1.5x scale

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.