Home / 419,837.04-579,390.86-238,579.83

Finding the Fourth Proportional to 419,837.04, 579,390.86 and 238,579.83

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Solution

The fourth proportional to 419,837.04, 579,390.86 and 238,579.83 is: 329,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,837.04 : 579,390.86 = 238,579.83 : x
  2. Step 2: Convert to fraction form
    419,837.04/579,390.86 = 238,579.83/x
  3. Step 3: Cross multiply
    419,837.04x = 579,390.86 × 238,579.83
  4. Step 4: Simplify right side
    419,837.04x = 138,230,971,689.46
  5. Step 5: Solve for x
    x = 138,230,971,689.46/419,837.04
  6. Step 6: Final answer
    x = 329,249.11

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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.