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Finding the Fourth Proportional to 1,235.00, 1,703.52 and 756.24

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Solution

The fourth proportional to 1,235.00, 1,703.52 and 756.24 is: 1,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235.00 : 1,703.52 = 756.24 : x
  2. Step 2: Convert to fraction form
    1,235.00/1,703.52 = 756.24/x
  3. Step 3: Cross multiply
    1,235.00x = 1,703.52 × 756.24
  4. Step 4: Simplify right side
    1,235.00x = 1,288,262.69
  5. Step 5: Solve for x
    x = 1,288,262.69/1,235.00
  6. Step 6: Final answer
    x = 1,043.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.