Home / 744,258.88-1,027,153.56-438,431.50

Finding the Fourth Proportional to 744,258.88, 1,027,153.56 and 438,431.50

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Solution

The fourth proportional to 744,258.88, 1,027,153.56 and 438,431.50 is: 605,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,258.88 : 1,027,153.56 = 438,431.50 : x
  2. Step 2: Convert to fraction form
    744,258.88/1,027,153.56 = 438,431.50/x
  3. Step 3: Cross multiply
    744,258.88x = 1,027,153.56 × 438,431.50
  4. Step 4: Simplify right side
    744,258.88x = 450,336,476,041.14
  5. Step 5: Solve for x
    x = 450,336,476,041.14/744,258.88
  6. Step 6: Final answer
    x = 605,080.42

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