Home / 863,728.02-1,295,781.59-264,734.22

Finding the Fourth Proportional to 863,728.02, 1,295,781.59 and 264,734.22

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Solution

The fourth proportional to 863,728.02, 1,295,781.59 and 264,734.22 is: 397,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,728.02 : 1,295,781.59 = 264,734.22 : x
  2. Step 2: Convert to fraction form
    863,728.02/1,295,781.59 = 264,734.22/x
  3. Step 3: Cross multiply
    863,728.02x = 1,295,781.59 × 264,734.22
  4. Step 4: Simplify right side
    863,728.02x = 343,037,728,519.01
  5. Step 5: Solve for x
    x = 343,037,728,519.01/863,728.02
  6. Step 6: Final answer
    x = 397,159.43

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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.