Home / 455,917.44-684,014.40-323,055.12

Finding the Fourth Proportional to 455,917.44, 684,014.40 and 323,055.12

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Solution

The fourth proportional to 455,917.44, 684,014.40 and 323,055.12 is: 484,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,917.44 : 684,014.40 = 323,055.12 : x
  2. Step 2: Convert to fraction form
    455,917.44/684,014.40 = 323,055.12/x
  3. Step 3: Cross multiply
    455,917.44x = 684,014.40 × 323,055.12
  4. Step 4: Simplify right side
    455,917.44x = 220,974,354,073.73
  5. Step 5: Solve for x
    x = 220,974,354,073.73/455,917.44
  6. Step 6: Final answer
    x = 484,680.63

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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.