Home / 763,804.04-1,054,067.16-419,661.44

Finding the Fourth Proportional to 763,804.04, 1,054,067.16 and 419,661.44

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Solution

The fourth proportional to 763,804.04, 1,054,067.16 and 419,661.44 is: 579,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,804.04 : 1,054,067.16 = 419,661.44 : x
  2. Step 2: Convert to fraction form
    763,804.04/1,054,067.16 = 419,661.44/x
  3. Step 3: Cross multiply
    763,804.04x = 1,054,067.16 × 419,661.44
  4. Step 4: Simplify right side
    763,804.04x = 442,351,336,951.98
  5. Step 5: Solve for x
    x = 442,351,336,951.98/763,804.04
  6. Step 6: Final answer
    x = 579,142.45

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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.