Home / 876,625.11-1,315,069.11-307,905.93

Finding the Fourth Proportional to 876,625.11, 1,315,069.11 and 307,905.93

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Solution

The fourth proportional to 876,625.11, 1,315,069.11 and 307,905.93 is: 461,905.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,625.11 : 1,315,069.11 = 307,905.93 : x
  2. Step 2: Convert to fraction form
    876,625.11/1,315,069.11 = 307,905.93/x
  3. Step 3: Cross multiply
    876,625.11x = 1,315,069.11 × 307,905.93
  4. Step 4: Simplify right side
    876,625.11x = 404,917,577,328.82
  5. Step 5: Solve for x
    x = 404,917,577,328.82/876,625.11
  6. Step 6: Final answer
    x = 461,905.06

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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.