Home / 880,487.20-1,322,334.60-770,262.40

Finding the Fourth Proportional to 880,487.20, 1,322,334.60 and 770,262.40

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Solution

The fourth proportional to 880,487.20, 1,322,334.60 and 770,262.40 is: 1,156,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,487.20 : 1,322,334.60 = 770,262.40 : x
  2. Step 2: Convert to fraction form
    880,487.20/1,322,334.60 = 770,262.40/x
  3. Step 3: Cross multiply
    880,487.20x = 1,322,334.60 × 770,262.40
  4. Step 4: Simplify right side
    880,487.20x = 1,018,544,622,599.04
  5. Step 5: Solve for x
    x = 1,018,544,622,599.04/880,487.20
  6. Step 6: Final answer
    x = 1,156,796.63

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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.