Home / 1,231.19-1,846.32-500.51

Finding the Fourth Proportional to 1,231.19, 1,846.32 and 500.51

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Solution

The fourth proportional to 1,231.19, 1,846.32 and 500.51 is: 750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.19 : 1,846.32 = 500.51 : x
  2. Step 2: Convert to fraction form
    1,231.19/1,846.32 = 500.51/x
  3. Step 3: Cross multiply
    1,231.19x = 1,846.32 × 500.51
  4. Step 4: Simplify right side
    1,231.19x = 924,092.39
  5. Step 5: Solve for x
    x = 924,092.39/1,231.19
  6. Step 6: Final answer
    x = 750.57

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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.