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Finding the Fourth Proportional to 617,668.37, 926,662.29 and 361,717.10

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Solution

The fourth proportional to 617,668.37, 926,662.29 and 361,717.10 is: 542,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,668.37 : 926,662.29 = 361,717.10 : x
  2. Step 2: Convert to fraction form
    617,668.37/926,662.29 = 361,717.10/x
  3. Step 3: Cross multiply
    617,668.37x = 926,662.29 × 361,717.10
  4. Step 4: Simplify right side
    617,668.37x = 335,189,600,950.53
  5. Step 5: Solve for x
    x = 335,189,600,950.53/617,668.37
  6. Step 6: Final answer
    x = 542,669.20

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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.