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Finding the Fourth Proportional to 436,794.88, 654,802.38 and 170,493.28

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Solution

The fourth proportional to 436,794.88, 654,802.38 and 170,493.28 is: 255,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,794.88 : 654,802.38 = 170,493.28 : x
  2. Step 2: Convert to fraction form
    436,794.88/654,802.38 = 170,493.28/x
  3. Step 3: Cross multiply
    436,794.88x = 654,802.38 × 170,493.28
  4. Step 4: Simplify right side
    436,794.88x = 111,639,405,518.01
  5. Step 5: Solve for x
    x = 111,639,405,518.01/436,794.88
  6. Step 6: Final answer
    x = 255,587.72

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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.