Home / 676,601.16-1,014,726.78-320,907.48

Finding the Fourth Proportional to 676,601.16, 1,014,726.78 and 320,907.48

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Solution

The fourth proportional to 676,601.16, 1,014,726.78 and 320,907.48 is: 481,278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,601.16 : 1,014,726.78 = 320,907.48 : x
  2. Step 2: Convert to fraction form
    676,601.16/1,014,726.78 = 320,907.48/x
  3. Step 3: Cross multiply
    676,601.16x = 1,014,726.78 × 320,907.48
  4. Step 4: Simplify right side
    676,601.16x = 325,633,413,858.31
  5. Step 5: Solve for x
    x = 325,633,413,858.31/676,601.16
  6. Step 6: Final answer
    x = 481,278.24

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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.