Home / 376,821.24-519,493.68-300,599.03

Finding the Fourth Proportional to 376,821.24, 519,493.68 and 300,599.03

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Solution

The fourth proportional to 376,821.24, 519,493.68 and 300,599.03 is: 414,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,821.24 : 519,493.68 = 300,599.03 : x
  2. Step 2: Convert to fraction form
    376,821.24/519,493.68 = 300,599.03/x
  3. Step 3: Cross multiply
    376,821.24x = 519,493.68 × 300,599.03
  4. Step 4: Simplify right side
    376,821.24x = 156,159,293,701.66
  5. Step 5: Solve for x
    x = 156,159,293,701.66/376,821.24
  6. Step 6: Final answer
    x = 414,412.13

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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.