Home / 703,112.40-1,054,357.56-204,515.28

Finding the Fourth Proportional to 703,112.40, 1,054,357.56 and 204,515.28

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Solution

The fourth proportional to 703,112.40, 1,054,357.56 and 204,515.28 is: 306,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,112.40 : 1,054,357.56 = 204,515.28 : x
  2. Step 2: Convert to fraction form
    703,112.40/1,054,357.56 = 204,515.28/x
  3. Step 3: Cross multiply
    703,112.40x = 1,054,357.56 × 204,515.28
  4. Step 4: Simplify right side
    703,112.40x = 215,632,231,603.52
  5. Step 5: Solve for x
    x = 215,632,231,603.52/703,112.40
  6. Step 6: Final answer
    x = 306,682.45

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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.