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Finding the Fourth Proportional to 544,673.35, 751,638.42 and 302,950.72

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Solution

The fourth proportional to 544,673.35, 751,638.42 and 302,950.72 is: 418,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,673.35 : 751,638.42 = 302,950.72 : x
  2. Step 2: Convert to fraction form
    544,673.35/751,638.42 = 302,950.72/x
  3. Step 3: Cross multiply
    544,673.35x = 751,638.42 × 302,950.72
  4. Step 4: Simplify right side
    544,673.35x = 227,709,400,518.66
  5. Step 5: Solve for x
    x = 227,709,400,518.66/544,673.35
  6. Step 6: Final answer
    x = 418,065.98

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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.