Home / 476,388.20-713,648.08-276,288.32

Finding the Fourth Proportional to 476,388.20, 713,648.08 and 276,288.32

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Solution

The fourth proportional to 476,388.20, 713,648.08 and 276,288.32 is: 413,890.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,388.20 : 713,648.08 = 276,288.32 : x
  2. Step 2: Convert to fraction form
    476,388.20/713,648.08 = 276,288.32/x
  3. Step 3: Cross multiply
    476,388.20x = 713,648.08 × 276,288.32
  4. Step 4: Simplify right side
    476,388.20x = 197,172,629,094.43
  5. Step 5: Solve for x
    x = 197,172,629,094.43/476,388.20
  6. Step 6: Final answer
    x = 413,890.67

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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.