Home / 880,914.95-1,321,569.35-281,912.05

Finding the Fourth Proportional to 880,914.95, 1,321,569.35 and 281,912.05

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Solution

The fourth proportional to 880,914.95, 1,321,569.35 and 281,912.05 is: 422,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,914.95 : 1,321,569.35 = 281,912.05 : x
  2. Step 2: Convert to fraction form
    880,914.95/1,321,569.35 = 281,912.05/x
  3. Step 3: Cross multiply
    880,914.95x = 1,321,569.35 × 281,912.05
  4. Step 4: Simplify right side
    880,914.95x = 372,566,324,675.67
  5. Step 5: Solve for x
    x = 372,566,324,675.67/880,914.95
  6. Step 6: Final answer
    x = 422,931.10

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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.