Home / 808,627.28-1,213,086.16-276,023.76

Finding the Fourth Proportional to 808,627.28, 1,213,086.16 and 276,023.76

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Solution

The fourth proportional to 808,627.28, 1,213,086.16 and 276,023.76 is: 414,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,627.28 : 1,213,086.16 = 276,023.76 : x
  2. Step 2: Convert to fraction form
    808,627.28/1,213,086.16 = 276,023.76/x
  3. Step 3: Cross multiply
    808,627.28x = 1,213,086.16 × 276,023.76
  4. Step 4: Simplify right side
    808,627.28x = 334,840,603,087.16
  5. Step 5: Solve for x
    x = 334,840,603,087.16/808,627.28
  6. Step 6: Final answer
    x = 414,085.22

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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.