Home / 684,014.76-1,025,843.40-204,129.72

Finding the Fourth Proportional to 684,014.76, 1,025,843.40 and 204,129.72

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Solution

The fourth proportional to 684,014.76, 1,025,843.40 and 204,129.72 is: 306,141.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,014.76 : 1,025,843.40 = 204,129.72 : x
  2. Step 2: Convert to fraction form
    684,014.76/1,025,843.40 = 204,129.72/x
  3. Step 3: Cross multiply
    684,014.76x = 1,025,843.40 × 204,129.72
  4. Step 4: Simplify right side
    684,014.76x = 209,405,126,005.85
  5. Step 5: Solve for x
    x = 209,405,126,005.85/684,014.76
  6. Step 6: Final answer
    x = 306,141.24

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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.