Home / 591,253.36-815,929.68-322,981.36

Finding the Fourth Proportional to 591,253.36, 815,929.68 and 322,981.36

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Solution

The fourth proportional to 591,253.36, 815,929.68 and 322,981.36 is: 445,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,253.36 : 815,929.68 = 322,981.36 : x
  2. Step 2: Convert to fraction form
    591,253.36/815,929.68 = 322,981.36/x
  3. Step 3: Cross multiply
    591,253.36x = 815,929.68 × 322,981.36
  4. Step 4: Simplify right side
    591,253.36x = 263,530,077,710.77
  5. Step 5: Solve for x
    x = 263,530,077,710.77/591,253.36
  6. Step 6: Final answer
    x = 445,714.30

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Why These Related Problems?

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