Home / 445,290.20-666,358.59-276,889.83

Finding the Fourth Proportional to 445,290.20, 666,358.59 and 276,889.83

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Solution

The fourth proportional to 445,290.20, 666,358.59 and 276,889.83 is: 414,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,290.20 : 666,358.59 = 276,889.83 : x
  2. Step 2: Convert to fraction form
    445,290.20/666,358.59 = 276,889.83/x
  3. Step 3: Cross multiply
    445,290.20x = 666,358.59 × 276,889.83
  4. Step 4: Simplify right side
    445,290.20x = 184,507,916,704.14
  5. Step 5: Solve for x
    x = 184,507,916,704.14/445,290.20
  6. Step 6: Final answer
    x = 414,354.32

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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.