Home / 883,345.80-1,325,040.38-322,380.20

Finding the Fourth Proportional to 883,345.80, 1,325,040.38 and 322,380.20

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Solution

The fourth proportional to 883,345.80, 1,325,040.38 and 322,380.20 is: 483,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,345.80 : 1,325,040.38 = 322,380.20 : x
  2. Step 2: Convert to fraction form
    883,345.80/1,325,040.38 = 322,380.20/x
  3. Step 3: Cross multiply
    883,345.80x = 1,325,040.38 × 322,380.20
  4. Step 4: Simplify right side
    883,345.80x = 427,166,782,712.48
  5. Step 5: Solve for x
    x = 427,166,782,712.48/883,345.80
  6. Step 6: Final answer
    x = 483,578.21

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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.