Home / 808,214.45-1,212,277.72-247,248.95

Finding the Fourth Proportional to 808,214.45, 1,212,277.72 and 247,248.95

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Solution

The fourth proportional to 808,214.45, 1,212,277.72 and 247,248.95 is: 370,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,214.45 : 1,212,277.72 = 247,248.95 : x
  2. Step 2: Convert to fraction form
    808,214.45/1,212,277.72 = 247,248.95/x
  3. Step 3: Cross multiply
    808,214.45x = 1,212,277.72 × 247,248.95
  4. Step 4: Simplify right side
    808,214.45x = 299,734,393,378.39
  5. Step 5: Solve for x
    x = 299,734,393,378.39/808,214.45
  6. Step 6: Final answer
    x = 370,859.98

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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.