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Finding the Fourth Proportional to 478,833.39, 660,794.36 and 263,981.03

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Solution

The fourth proportional to 478,833.39, 660,794.36 and 263,981.03 is: 364,296.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,833.39 : 660,794.36 = 263,981.03 : x
  2. Step 2: Convert to fraction form
    478,833.39/660,794.36 = 263,981.03/x
  3. Step 3: Cross multiply
    478,833.39x = 660,794.36 × 263,981.03
  4. Step 4: Simplify right side
    478,833.39x = 174,437,171,147.11
  5. Step 5: Solve for x
    x = 174,437,171,147.11/478,833.39
  6. Step 6: Final answer
    x = 364,296.17

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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.