Home / 1,050.26-1,448.61-718.16

Finding the Fourth Proportional to 1,050.26, 1,448.61 and 718.16

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Solution

The fourth proportional to 1,050.26, 1,448.61 and 718.16 is: 990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.26 : 1,448.61 = 718.16 : x
  2. Step 2: Convert to fraction form
    1,050.26/1,448.61 = 718.16/x
  3. Step 3: Cross multiply
    1,050.26x = 1,448.61 × 718.16
  4. Step 4: Simplify right side
    1,050.26x = 1,040,333.76
  5. Step 5: Solve for x
    x = 1,040,333.76/1,050.26
  6. Step 6: Final answer
    x = 990.55

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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.