Home / 678,399.42-1,017,702.99-222,847.50

Finding the Fourth Proportional to 678,399.42, 1,017,702.99 and 222,847.50

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Solution

The fourth proportional to 678,399.42, 1,017,702.99 and 222,847.50 is: 334,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,399.42 : 1,017,702.99 = 222,847.50 : x
  2. Step 2: Convert to fraction form
    678,399.42/1,017,702.99 = 222,847.50/x
  3. Step 3: Cross multiply
    678,399.42x = 1,017,702.99 × 222,847.50
  4. Step 4: Simplify right side
    678,399.42x = 226,792,567,064.03
  5. Step 5: Solve for x
    x = 226,792,567,064.03/678,399.42
  6. Step 6: Final answer
    x = 334,305.37

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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.