Home / 684,835.20-1,027,252.80-667,339.20

Finding the Fourth Proportional to 684,835.20, 1,027,252.80 and 667,339.20

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Solution

The fourth proportional to 684,835.20, 1,027,252.80 and 667,339.20 is: 1,001,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,835.20 : 1,027,252.80 = 667,339.20 : x
  2. Step 2: Convert to fraction form
    684,835.20/1,027,252.80 = 667,339.20/x
  3. Step 3: Cross multiply
    684,835.20x = 1,027,252.80 × 667,339.20
  4. Step 4: Simplify right side
    684,835.20x = 685,526,061,749.76
  5. Step 5: Solve for x
    x = 685,526,061,749.76/684,835.20
  6. Step 6: Final answer
    x = 1,001,008.80

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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.