Home / 684,450.18-1,025,951.27-257,801.41

Finding the Fourth Proportional to 684,450.18, 1,025,951.27 and 257,801.41

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Solution

The fourth proportional to 684,450.18, 1,025,951.27 and 257,801.41 is: 386,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,450.18 : 1,025,951.27 = 257,801.41 : x
  2. Step 2: Convert to fraction form
    684,450.18/1,025,951.27 = 257,801.41/x
  3. Step 3: Cross multiply
    684,450.18x = 1,025,951.27 × 257,801.41
  4. Step 4: Simplify right side
    684,450.18x = 264,491,683,997.29
  5. Step 5: Solve for x
    x = 264,491,683,997.29/684,450.18
  6. Step 6: Final answer
    x = 386,429.42

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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.