Home / 413,621.10-619,775.55-273,215.70

Finding the Fourth Proportional to 413,621.10, 619,775.55 and 273,215.70

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Solution

The fourth proportional to 413,621.10, 619,775.55 and 273,215.70 is: 409,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,621.10 : 619,775.55 = 273,215.70 : x
  2. Step 2: Convert to fraction form
    413,621.10/619,775.55 = 273,215.70/x
  3. Step 3: Cross multiply
    413,621.10x = 619,775.55 × 273,215.70
  4. Step 4: Simplify right side
    413,621.10x = 169,332,410,736.14
  5. Step 5: Solve for x
    x = 169,332,410,736.14/413,621.10
  6. Step 6: Final answer
    x = 409,390.17

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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.