Home / 819,894.25-1,230,048.96-580,477.21

Finding the Fourth Proportional to 819,894.25, 1,230,048.96 and 580,477.21

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Solution

The fourth proportional to 819,894.25, 1,230,048.96 and 580,477.21 is: 870,862.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,894.25 : 1,230,048.96 = 580,477.21 : x
  2. Step 2: Convert to fraction form
    819,894.25/1,230,048.96 = 580,477.21/x
  3. Step 3: Cross multiply
    819,894.25x = 1,230,048.96 × 580,477.21
  4. Step 4: Simplify right side
    819,894.25x = 714,015,388,464.20
  5. Step 5: Solve for x
    x = 714,015,388,464.20/819,894.25
  6. Step 6: Final answer
    x = 870,862.78

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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.