Home / 427,962.66-590,584.23-231,728.19

Finding the Fourth Proportional to 427,962.66, 590,584.23 and 231,728.19

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Solution

The fourth proportional to 427,962.66, 590,584.23 and 231,728.19 is: 319,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,962.66 : 590,584.23 = 231,728.19 : x
  2. Step 2: Convert to fraction form
    427,962.66/590,584.23 = 231,728.19/x
  3. Step 3: Cross multiply
    427,962.66x = 590,584.23 × 231,728.19
  4. Step 4: Simplify right side
    427,962.66x = 136,855,015,767.79
  5. Step 5: Solve for x
    x = 136,855,015,767.79/427,962.66
  6. Step 6: Final answer
    x = 319,782.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.