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Finding the Fourth Proportional to 480,791.37, 663,447.48 and 265,926.83

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Solution

The fourth proportional to 480,791.37, 663,447.48 and 265,926.83 is: 366,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,791.37 : 663,447.48 = 265,926.83 : x
  2. Step 2: Convert to fraction form
    480,791.37/663,447.48 = 265,926.83/x
  3. Step 3: Cross multiply
    480,791.37x = 663,447.48 × 265,926.83
  4. Step 4: Simplify right side
    480,791.37x = 176,428,485,227.89
  5. Step 5: Solve for x
    x = 176,428,485,227.89/480,791.37
  6. Step 6: Final answer
    x = 366,954.35

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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.