Home / 880,471.01-1,320,533.28-281,270.68

Finding the Fourth Proportional to 880,471.01, 1,320,533.28 and 281,270.68

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Solution

The fourth proportional to 880,471.01, 1,320,533.28 and 281,270.68 is: 421,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,471.01 : 1,320,533.28 = 281,270.68 : x
  2. Step 2: Convert to fraction form
    880,471.01/1,320,533.28 = 281,270.68/x
  3. Step 3: Cross multiply
    880,471.01x = 1,320,533.28 × 281,270.68
  4. Step 4: Simplify right side
    880,471.01x = 371,427,290,326.90
  5. Step 5: Solve for x
    x = 371,427,290,326.90/880,471.01
  6. Step 6: Final answer
    x = 421,850.67

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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.