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Finding the Fourth Proportional to 524,580.82, 787,658.55 and 300,194.62

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Solution

The fourth proportional to 524,580.82, 787,658.55 and 300,194.62 is: 450,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,580.82 : 787,658.55 = 300,194.62 : x
  2. Step 2: Convert to fraction form
    524,580.82/787,658.55 = 300,194.62/x
  3. Step 3: Cross multiply
    524,580.82x = 787,658.55 × 300,194.62
  4. Step 4: Simplify right side
    524,580.82x = 236,450,859,107.00
  5. Step 5: Solve for x
    x = 236,450,859,107.00/524,580.82
  6. Step 6: Final answer
    x = 450,742.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.