Home / 628,182.50-942,817.66-328,872.38

Finding the Fourth Proportional to 628,182.50, 942,817.66 and 328,872.38

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Solution

The fourth proportional to 628,182.50, 942,817.66 and 328,872.38 is: 493,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,182.50 : 942,817.66 = 328,872.38 : x
  2. Step 2: Convert to fraction form
    628,182.50/942,817.66 = 328,872.38/x
  3. Step 3: Cross multiply
    628,182.50x = 942,817.66 × 328,872.38
  4. Step 4: Simplify right side
    628,182.50x = 310,066,687,750.23
  5. Step 5: Solve for x
    x = 310,066,687,750.23/628,182.50
  6. Step 6: Final answer
    x = 493,593.32

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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.