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Finding the Fourth Proportional to 544,676.85, 751,643.25 and 302,954.22

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Solution

The fourth proportional to 544,676.85, 751,643.25 and 302,954.22 is: 418,070.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,676.85 : 751,643.25 = 302,954.22 : x
  2. Step 2: Convert to fraction form
    544,676.85/751,643.25 = 302,954.22/x
  3. Step 3: Cross multiply
    544,676.85x = 751,643.25 × 302,954.22
  4. Step 4: Simplify right side
    544,676.85x = 227,713,494,522.02
  5. Step 5: Solve for x
    x = 227,713,494,522.02/544,676.85
  6. Step 6: Final answer
    x = 418,070.81

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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.