Home / 907,764.72-1,361,745.73-339,418.10

Finding the Fourth Proportional to 907,764.72, 1,361,745.73 and 339,418.10

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Solution

The fourth proportional to 907,764.72, 1,361,745.73 and 339,418.10 is: 509,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,764.72 : 1,361,745.73 = 339,418.10 : x
  2. Step 2: Convert to fraction form
    907,764.72/1,361,745.73 = 339,418.10/x
  3. Step 3: Cross multiply
    907,764.72x = 1,361,745.73 × 339,418.10
  4. Step 4: Simplify right side
    907,764.72x = 462,201,142,619.30
  5. Step 5: Solve for x
    x = 462,201,142,619.30/907,764.72
  6. Step 6: Final answer
    x = 509,164.03

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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.