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Finding the Fourth Proportional to 1,803.07, 2,705.05 and 504.53

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Solution

The fourth proportional to 1,803.07, 2,705.05 and 504.53 is: 756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.07 : 2,705.05 = 504.53 : x
  2. Step 2: Convert to fraction form
    1,803.07/2,705.05 = 504.53/x
  3. Step 3: Cross multiply
    1,803.07x = 2,705.05 × 504.53
  4. Step 4: Simplify right side
    1,803.07x = 1,364,778.88
  5. Step 5: Solve for x
    x = 1,364,778.88/1,803.07
  6. Step 6: Final answer
    x = 756.92

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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.