Home / 808,464.30-1,212,696.45-276,002.70

Finding the Fourth Proportional to 808,464.30, 1,212,696.45 and 276,002.70

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Solution

The fourth proportional to 808,464.30, 1,212,696.45 and 276,002.70 is: 414,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,464.30 : 1,212,696.45 = 276,002.70 : x
  2. Step 2: Convert to fraction form
    808,464.30/1,212,696.45 = 276,002.70/x
  3. Step 3: Cross multiply
    808,464.30x = 1,212,696.45 × 276,002.70
  4. Step 4: Simplify right side
    808,464.30x = 334,707,494,480.42
  5. Step 5: Solve for x
    x = 334,707,494,480.42/808,464.30
  6. Step 6: Final answer
    x = 414,004.05

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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.