Home / 1,150.07-1,724.06-419.13

Finding the Fourth Proportional to 1,150.07, 1,724.06 and 419.13

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Solution

The fourth proportional to 1,150.07, 1,724.06 and 419.13 is: 628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.07 : 1,724.06 = 419.13 : x
  2. Step 2: Convert to fraction form
    1,150.07/1,724.06 = 419.13/x
  3. Step 3: Cross multiply
    1,150.07x = 1,724.06 × 419.13
  4. Step 4: Simplify right side
    1,150.07x = 722,606.32
  5. Step 5: Solve for x
    x = 722,606.32/1,150.07
  6. Step 6: Final answer
    x = 628.32

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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.