Home / 419,418.82-578,873.03-247,326.35

Finding the Fourth Proportional to 419,418.82, 578,873.03 and 247,326.35

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Solution

The fourth proportional to 419,418.82, 578,873.03 and 247,326.35 is: 341,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,418.82 : 578,873.03 = 247,326.35 : x
  2. Step 2: Convert to fraction form
    419,418.82/578,873.03 = 247,326.35/x
  3. Step 3: Cross multiply
    419,418.82x = 578,873.03 × 247,326.35
  4. Step 4: Simplify right side
    419,418.82x = 143,170,553,623.34
  5. Step 5: Solve for x
    x = 143,170,553,623.34/419,418.82
  6. Step 6: Final answer
    x = 341,354.62

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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.