Home / 880,150.86-1,320,215.76-281,104.02

Finding the Fourth Proportional to 880,150.86, 1,320,215.76 and 281,104.02

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Solution

The fourth proportional to 880,150.86, 1,320,215.76 and 281,104.02 is: 421,652.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,150.86 : 1,320,215.76 = 281,104.02 : x
  2. Step 2: Convert to fraction form
    880,150.86/1,320,215.76 = 281,104.02/x
  3. Step 3: Cross multiply
    880,150.86x = 1,320,215.76 × 281,104.02
  4. Step 4: Simplify right side
    880,150.86x = 371,117,957,403.36
  5. Step 5: Solve for x
    x = 371,117,957,403.36/880,150.86
  6. Step 6: Final answer
    x = 421,652.67

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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.