Home / 719,647.12-1,079,475.69-494,324.61

Finding the Fourth Proportional to 719,647.12, 1,079,475.69 and 494,324.61

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Solution

The fourth proportional to 719,647.12, 1,079,475.69 and 494,324.61 is: 741,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,647.12 : 1,079,475.69 = 494,324.61 : x
  2. Step 2: Convert to fraction form
    719,647.12/1,079,475.69 = 494,324.61/x
  3. Step 3: Cross multiply
    719,647.12x = 1,079,475.69 × 494,324.61
  4. Step 4: Simplify right side
    719,647.12x = 533,611,399,463.73
  5. Step 5: Solve for x
    x = 533,611,399,463.73/719,647.12
  6. Step 6: Final answer
    x = 741,490.36

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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.