Home / 808,628.28-1,213,087.65-276,024.75

Finding the Fourth Proportional to 808,628.28, 1,213,087.65 and 276,024.75

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Solution

The fourth proportional to 808,628.28, 1,213,087.65 and 276,024.75 is: 414,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,628.28 : 1,213,087.65 = 276,024.75 : x
  2. Step 2: Convert to fraction form
    808,628.28/1,213,087.65 = 276,024.75/x
  3. Step 3: Cross multiply
    808,628.28x = 1,213,087.65 × 276,024.75
  4. Step 4: Simplify right side
    808,628.28x = 334,842,215,319.34
  5. Step 5: Solve for x
    x = 334,842,215,319.34/808,628.28
  6. Step 6: Final answer
    x = 414,086.70

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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.