Home / 890,083.76-1,335,111.06-216,170.60

Finding the Fourth Proportional to 890,083.76, 1,335,111.06 and 216,170.60

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Solution

The fourth proportional to 890,083.76, 1,335,111.06 and 216,170.60 is: 324,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,083.76 : 1,335,111.06 = 216,170.60 : x
  2. Step 2: Convert to fraction form
    890,083.76/1,335,111.06 = 216,170.60/x
  3. Step 3: Cross multiply
    890,083.76x = 1,335,111.06 × 216,170.60
  4. Step 4: Simplify right side
    890,083.76x = 288,611,758,906.84
  5. Step 5: Solve for x
    x = 288,611,758,906.84/890,083.76
  6. Step 6: Final answer
    x = 324,252.36

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1.5x scale

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.