Home / 494,520.64-682,243.36-310,651.15

Finding the Fourth Proportional to 494,520.64, 682,243.36 and 310,651.15

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Solution

The fourth proportional to 494,520.64, 682,243.36 and 310,651.15 is: 428,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,520.64 : 682,243.36 = 310,651.15 : x
  2. Step 2: Convert to fraction form
    494,520.64/682,243.36 = 310,651.15/x
  3. Step 3: Cross multiply
    494,520.64x = 682,243.36 × 310,651.15
  4. Step 4: Simplify right side
    494,520.64x = 211,939,683,160.83
  5. Step 5: Solve for x
    x = 211,939,683,160.83/494,520.64
  6. Step 6: Final answer
    x = 428,576.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.