Home / 876,400.36-1,314,745.82-307,633.88

Finding the Fourth Proportional to 876,400.36, 1,314,745.82 and 307,633.88

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Solution

The fourth proportional to 876,400.36, 1,314,745.82 and 307,633.88 is: 461,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,400.36 : 1,314,745.82 = 307,633.88 : x
  2. Step 2: Convert to fraction form
    876,400.36/1,314,745.82 = 307,633.88/x
  3. Step 3: Cross multiply
    876,400.36x = 1,314,745.82 × 307,633.88
  4. Step 4: Simplify right side
    876,400.36x = 404,460,357,820.38
  5. Step 5: Solve for x
    x = 404,460,357,820.38/876,400.36
  6. Step 6: Final answer
    x = 461,501.82

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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.