Home / 808,034.30-1,212,408.51-423,691.37

Finding the Fourth Proportional to 808,034.30, 1,212,408.51 and 423,691.37

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Solution

The fourth proportional to 808,034.30, 1,212,408.51 and 423,691.37 is: 635,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,034.30 : 1,212,408.51 = 423,691.37 : x
  2. Step 2: Convert to fraction form
    808,034.30/1,212,408.51 = 423,691.37/x
  3. Step 3: Cross multiply
    808,034.30x = 1,212,408.51 × 423,691.37
  4. Step 4: Simplify right side
    808,034.30x = 513,687,026,317.00
  5. Step 5: Solve for x
    x = 513,687,026,317.00/808,034.30
  6. Step 6: Final answer
    x = 635,724.28

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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.