Home / 684,647.08-1,027,064.03-285,194.43

Finding the Fourth Proportional to 684,647.08, 1,027,064.03 and 285,194.43

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Solution

The fourth proportional to 684,647.08, 1,027,064.03 and 285,194.43 is: 427,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,647.08 : 1,027,064.03 = 285,194.43 : x
  2. Step 2: Convert to fraction form
    684,647.08/1,027,064.03 = 285,194.43/x
  3. Step 3: Cross multiply
    684,647.08x = 1,027,064.03 × 285,194.43
  4. Step 4: Simplify right side
    684,647.08x = 292,912,940,609.35
  5. Step 5: Solve for x
    x = 292,912,940,609.35/684,647.08
  6. Step 6: Final answer
    x = 427,830.56

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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.