Home / 445,736.85-669,097.35-277,447.20

Finding the Fourth Proportional to 445,736.85, 669,097.35 and 277,447.20

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Solution

The fourth proportional to 445,736.85, 669,097.35 and 277,447.20 is: 416,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,736.85 : 669,097.35 = 277,447.20 : x
  2. Step 2: Convert to fraction form
    445,736.85/669,097.35 = 277,447.20/x
  3. Step 3: Cross multiply
    445,736.85x = 669,097.35 × 277,447.20
  4. Step 4: Simplify right side
    445,736.85x = 185,639,186,284.92
  5. Step 5: Solve for x
    x = 185,639,186,284.92/445,736.85
  6. Step 6: Final answer
    x = 416,477.09

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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.