Home / 455,835.20-683,871.03-242,427.64

Finding the Fourth Proportional to 455,835.20, 683,871.03 and 242,427.64

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Solution

The fourth proportional to 455,835.20, 683,871.03 and 242,427.64 is: 363,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,835.20 : 683,871.03 = 242,427.64 : x
  2. Step 2: Convert to fraction form
    455,835.20/683,871.03 = 242,427.64/x
  3. Step 3: Cross multiply
    455,835.20x = 683,871.03 × 242,427.64
  4. Step 4: Simplify right side
    455,835.20x = 165,789,239,867.27
  5. Step 5: Solve for x
    x = 165,789,239,867.27/455,835.20
  6. Step 6: Final answer
    x = 363,704.34

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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.