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Finding the Fourth Proportional to 464,728.43, 641,323.49 and 260,778.89

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Solution

The fourth proportional to 464,728.43, 641,323.49 and 260,778.89 is: 359,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,728.43 : 641,323.49 = 260,778.89 : x
  2. Step 2: Convert to fraction form
    464,728.43/641,323.49 = 260,778.89/x
  3. Step 3: Cross multiply
    464,728.43x = 641,323.49 × 260,778.89
  4. Step 4: Simplify right side
    464,728.43x = 167,243,628,152.54
  5. Step 5: Solve for x
    x = 167,243,628,152.54/464,728.43
  6. Step 6: Final answer
    x = 359,873.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.