Home / 808,626.78-1,213,085.42-276,023.25

Finding the Fourth Proportional to 808,626.78, 1,213,085.42 and 276,023.25

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Solution

The fourth proportional to 808,626.78, 1,213,085.42 and 276,023.25 is: 414,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,626.78 : 1,213,085.42 = 276,023.25 : x
  2. Step 2: Convert to fraction form
    808,626.78/1,213,085.42 = 276,023.25/x
  3. Step 3: Cross multiply
    808,626.78x = 1,213,085.42 × 276,023.25
  4. Step 4: Simplify right side
    808,626.78x = 334,839,778,775.90
  5. Step 5: Solve for x
    x = 334,839,778,775.90/808,626.78
  6. Step 6: Final answer
    x = 414,084.45

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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.