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Finding the Fourth Proportional to 1,037.40, 1,554.12 and 603.24

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Solution

The fourth proportional to 1,037.40, 1,554.12 and 603.24 is: 903.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.40 : 1,554.12 = 603.24 : x
  2. Step 2: Convert to fraction form
    1,037.40/1,554.12 = 603.24/x
  3. Step 3: Cross multiply
    1,037.40x = 1,554.12 × 603.24
  4. Step 4: Simplify right side
    1,037.40x = 937,507.35
  5. Step 5: Solve for x
    x = 937,507.35/1,037.40
  6. Step 6: Final answer
    x = 903.71

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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.