Home / 419,111.48-631,467.54-379,181.13

Finding the Fourth Proportional to 419,111.48, 631,467.54 and 379,181.13

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Solution

The fourth proportional to 419,111.48, 631,467.54 and 379,181.13 is: 571,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,111.48 : 631,467.54 = 379,181.13 : x
  2. Step 2: Convert to fraction form
    419,111.48/631,467.54 = 379,181.13/x
  3. Step 3: Cross multiply
    419,111.48x = 631,467.54 × 379,181.13
  4. Step 4: Simplify right side
    419,111.48x = 239,440,575,375.52
  5. Step 5: Solve for x
    x = 239,440,575,375.52/419,111.48
  6. Step 6: Final answer
    x = 571,305.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.