Home / 808,643.28-1,213,110.15-276,039.75

Finding the Fourth Proportional to 808,643.28, 1,213,110.15 and 276,039.75

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Solution

The fourth proportional to 808,643.28, 1,213,110.15 and 276,039.75 is: 414,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,643.28 : 1,213,110.15 = 276,039.75 : x
  2. Step 2: Convert to fraction form
    808,643.28/1,213,110.15 = 276,039.75/x
  3. Step 3: Cross multiply
    808,643.28x = 1,213,110.15 × 276,039.75
  4. Step 4: Simplify right side
    808,643.28x = 334,866,622,528.46
  5. Step 5: Solve for x
    x = 334,866,622,528.46/808,643.28
  6. Step 6: Final answer
    x = 414,109.20

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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.