Home / 770,981.20-1,156,471.80-202,361.20

Finding the Fourth Proportional to 770,981.20, 1,156,471.80 and 202,361.20

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Solution

The fourth proportional to 770,981.20, 1,156,471.80 and 202,361.20 is: 303,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,981.20 : 1,156,471.80 = 202,361.20 : x
  2. Step 2: Convert to fraction form
    770,981.20/1,156,471.80 = 202,361.20/x
  3. Step 3: Cross multiply
    770,981.20x = 1,156,471.80 × 202,361.20
  4. Step 4: Simplify right side
    770,981.20x = 234,025,021,214.16
  5. Step 5: Solve for x
    x = 234,025,021,214.16/770,981.20
  6. Step 6: Final answer
    x = 303,541.80

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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.