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Finding the Fourth Proportional to 1,053.02, 1,578.39 and 504.03

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Solution

The fourth proportional to 1,053.02, 1,578.39 and 504.03 is: 755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.02 : 1,578.39 = 504.03 : x
  2. Step 2: Convert to fraction form
    1,053.02/1,578.39 = 504.03/x
  3. Step 3: Cross multiply
    1,053.02x = 1,578.39 × 504.03
  4. Step 4: Simplify right side
    1,053.02x = 795,555.91
  5. Step 5: Solve for x
    x = 795,555.91/1,053.02
  6. Step 6: Final answer
    x = 755.50

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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.