Home / 808,212.45-1,212,274.73-247,246.95

Finding the Fourth Proportional to 808,212.45, 1,212,274.73 and 247,246.95

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Solution

The fourth proportional to 808,212.45, 1,212,274.73 and 247,246.95 is: 370,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,212.45 : 1,212,274.73 = 247,246.95 : x
  2. Step 2: Convert to fraction form
    808,212.45/1,212,274.73 = 247,246.95/x
  3. Step 3: Cross multiply
    808,212.45x = 1,212,274.73 × 247,246.95
  4. Step 4: Simplify right side
    808,212.45x = 299,731,228,318.34
  5. Step 5: Solve for x
    x = 299,731,228,318.34/808,212.45
  6. Step 6: Final answer
    x = 370,856.98

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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.