Home / 808,098.48-1,212,010.56-239,467.68

Finding the Fourth Proportional to 808,098.48, 1,212,010.56 and 239,467.68

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Solution

The fourth proportional to 808,098.48, 1,212,010.56 and 239,467.68 is: 359,160.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,098.48 : 1,212,010.56 = 239,467.68 : x
  2. Step 2: Convert to fraction form
    808,098.48/1,212,010.56 = 239,467.68/x
  3. Step 3: Cross multiply
    808,098.48x = 1,212,010.56 × 239,467.68
  4. Step 4: Simplify right side
    808,098.48x = 290,237,356,938.70
  5. Step 5: Solve for x
    x = 290,237,356,938.70/808,098.48
  6. Step 6: Final answer
    x = 359,160.87

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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.