Home / 1,231.25-1,846.95-500.43

Finding the Fourth Proportional to 1,231.25, 1,846.95 and 500.43

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Solution

The fourth proportional to 1,231.25, 1,846.95 and 500.43 is: 750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.25 : 1,846.95 = 500.43 : x
  2. Step 2: Convert to fraction form
    1,231.25/1,846.95 = 500.43/x
  3. Step 3: Cross multiply
    1,231.25x = 1,846.95 × 500.43
  4. Step 4: Simplify right side
    1,231.25x = 924,266.66
  5. Step 5: Solve for x
    x = 924,266.66/1,231.25
  6. Step 6: Final answer
    x = 750.67

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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.