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Finding the Fourth Proportional to 1,004.40, 1,505.52 and 593.46

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Solution

The fourth proportional to 1,004.40, 1,505.52 and 593.46 is: 889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.40 : 1,505.52 = 593.46 : x
  2. Step 2: Convert to fraction form
    1,004.40/1,505.52 = 593.46/x
  3. Step 3: Cross multiply
    1,004.40x = 1,505.52 × 593.46
  4. Step 4: Simplify right side
    1,004.40x = 893,465.90
  5. Step 5: Solve for x
    x = 893,465.90/1,004.40
  6. Step 6: Final answer
    x = 889.55

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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.