Home / 823,928.80-1,235,893.20-291,467.20

Finding the Fourth Proportional to 823,928.80, 1,235,893.20 and 291,467.20

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Solution

The fourth proportional to 823,928.80, 1,235,893.20 and 291,467.20 is: 437,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,928.80 : 1,235,893.20 = 291,467.20 : x
  2. Step 2: Convert to fraction form
    823,928.80/1,235,893.20 = 291,467.20/x
  3. Step 3: Cross multiply
    823,928.80x = 1,235,893.20 × 291,467.20
  4. Step 4: Simplify right side
    823,928.80x = 360,222,330,503.04
  5. Step 5: Solve for x
    x = 360,222,330,503.04/823,928.80
  6. Step 6: Final answer
    x = 437,200.80

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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.