Home / 1,035.99-1,551.75-487.35

Finding the Fourth Proportional to 1,035.99, 1,551.75 and 487.35

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Solution

The fourth proportional to 1,035.99, 1,551.75 and 487.35 is: 729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.99 : 1,551.75 = 487.35 : x
  2. Step 2: Convert to fraction form
    1,035.99/1,551.75 = 487.35/x
  3. Step 3: Cross multiply
    1,035.99x = 1,551.75 × 487.35
  4. Step 4: Simplify right side
    1,035.99x = 756,245.36
  5. Step 5: Solve for x
    x = 756,245.36/1,035.99
  6. Step 6: Final answer
    x = 729.97

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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.