Home / 808,216.45-1,212,280.72-247,250.95

Finding the Fourth Proportional to 808,216.45, 1,212,280.72 and 247,250.95

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Solution

The fourth proportional to 808,216.45, 1,212,280.72 and 247,250.95 is: 370,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,216.45 : 1,212,280.72 = 247,250.95 : x
  2. Step 2: Convert to fraction form
    808,216.45/1,212,280.72 = 247,250.95/x
  3. Step 3: Cross multiply
    808,216.45x = 1,212,280.72 × 247,250.95
  4. Step 4: Simplify right side
    808,216.45x = 299,737,559,686.68
  5. Step 5: Solve for x
    x = 299,737,559,686.68/808,216.45
  6. Step 6: Final answer
    x = 370,862.98

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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.