Home / 728,635-1,093,025.42-223,190.14

Finding the Fourth Proportional to 728,635, 1,093,025.42 and 223,190.14

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Solution

The fourth proportional to 728,635, 1,093,025.42 and 223,190.14 is: 334,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,635 : 1,093,025.42 = 223,190.14 : x
  2. Step 2: Convert to fraction form
    728,635/1,093,025.42 = 223,190.14/x
  3. Step 3: Cross multiply
    728,635x = 1,093,025.42 × 223,190.14
  4. Step 4: Simplify right side
    728,635x = 243,952,496,513.36
  5. Step 5: Solve for x
    x = 243,952,496,513.36/728,635
  6. Step 6: Final answer
    x = 334,807.55

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1.5x scale

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.