Home / 751,219.45-1,036,644.27-428,866.58

Finding the Fourth Proportional to 751,219.45, 1,036,644.27 and 428,866.58

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Solution

The fourth proportional to 751,219.45, 1,036,644.27 and 428,866.58 is: 591,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,219.45 : 1,036,644.27 = 428,866.58 : x
  2. Step 2: Convert to fraction form
    751,219.45/1,036,644.27 = 428,866.58/x
  3. Step 3: Cross multiply
    751,219.45x = 1,036,644.27 × 428,866.58
  4. Step 4: Simplify right side
    751,219.45x = 444,582,082,751.50
  5. Step 5: Solve for x
    x = 444,582,082,751.50/751,219.45
  6. Step 6: Final answer
    x = 591,813.86

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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.