Home / 979,724.64-1,469,641.74-305,899.02

Finding the Fourth Proportional to 979,724.64, 1,469,641.74 and 305,899.02

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Solution

The fourth proportional to 979,724.64, 1,469,641.74 and 305,899.02 is: 458,865.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,724.64 : 1,469,641.74 = 305,899.02 : x
  2. Step 2: Convert to fraction form
    979,724.64/1,469,641.74 = 305,899.02/x
  3. Step 3: Cross multiply
    979,724.64x = 1,469,641.74 × 305,899.02
  4. Step 4: Simplify right side
    979,724.64x = 449,561,968,017.10
  5. Step 5: Solve for x
    x = 449,561,968,017.10/979,724.64
  6. Step 6: Final answer
    x = 458,865.63

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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.