Home / 759,215.87-1,047,676.79-419,662.25

Finding the Fourth Proportional to 759,215.87, 1,047,676.79 and 419,662.25

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Solution

The fourth proportional to 759,215.87, 1,047,676.79 and 419,662.25 is: 579,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,215.87 : 1,047,676.79 = 419,662.25 : x
  2. Step 2: Convert to fraction form
    759,215.87/1,047,676.79 = 419,662.25/x
  3. Step 3: Cross multiply
    759,215.87x = 1,047,676.79 × 419,662.25
  4. Step 4: Simplify right side
    759,215.87x = 439,670,396,865.87
  5. Step 5: Solve for x
    x = 439,670,396,865.87/759,215.87
  6. Step 6: Final answer
    x = 579,111.18

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