Home / 860,345.29-1,290,690.33-481,804.48

Finding the Fourth Proportional to 860,345.29, 1,290,690.33 and 481,804.48

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Solution

The fourth proportional to 860,345.29, 1,290,690.33 and 481,804.48 is: 722,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,345.29 : 1,290,690.33 = 481,804.48 : x
  2. Step 2: Convert to fraction form
    860,345.29/1,290,690.33 = 481,804.48/x
  3. Step 3: Cross multiply
    860,345.29x = 1,290,690.33 × 481,804.48
  4. Step 4: Simplify right side
    860,345.29x = 621,860,383,286.68
  5. Step 5: Solve for x
    x = 621,860,383,286.68/860,345.29
  6. Step 6: Final answer
    x = 722,803.26

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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.