Home / 808,213.45-1,212,276.22-247,247.95

Finding the Fourth Proportional to 808,213.45, 1,212,276.22 and 247,247.95

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Solution

The fourth proportional to 808,213.45, 1,212,276.22 and 247,247.95 is: 370,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,213.45 : 1,212,276.22 = 247,247.95 : x
  2. Step 2: Convert to fraction form
    808,213.45/1,212,276.22 = 247,247.95/x
  3. Step 3: Cross multiply
    808,213.45x = 1,212,276.22 × 247,247.95
  4. Step 4: Simplify right side
    808,213.45x = 299,732,810,228.75
  5. Step 5: Solve for x
    x = 299,732,810,228.75/808,213.45
  6. Step 6: Final answer
    x = 370,858.48

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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.