Home / 808,116.52-1,212,180.84-358,716.56

Finding the Fourth Proportional to 808,116.52, 1,212,180.84 and 358,716.56

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Solution

The fourth proportional to 808,116.52, 1,212,180.84 and 358,716.56 is: 538,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,116.52 : 1,212,180.84 = 358,716.56 : x
  2. Step 2: Convert to fraction form
    808,116.52/1,212,180.84 = 358,716.56/x
  3. Step 3: Cross multiply
    808,116.52x = 1,212,180.84 × 358,716.56
  4. Step 4: Simplify right side
    808,116.52x = 434,829,341,022.71
  5. Step 5: Solve for x
    x = 434,829,341,022.71/808,116.52
  6. Step 6: Final answer
    x = 538,077.53

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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.