Home / 578,205.97-797,917.30-323,559.25

Finding the Fourth Proportional to 578,205.97, 797,917.30 and 323,559.25

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Solution

The fourth proportional to 578,205.97, 797,917.30 and 323,559.25 is: 446,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,205.97 : 797,917.30 = 323,559.25 : x
  2. Step 2: Convert to fraction form
    578,205.97/797,917.30 = 323,559.25/x
  3. Step 3: Cross multiply
    578,205.97x = 797,917.30 × 323,559.25
  4. Step 4: Simplify right side
    578,205.97x = 258,173,523,150.03
  5. Step 5: Solve for x
    x = 258,173,523,150.03/578,205.97
  6. Step 6: Final answer
    x = 446,507.88

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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.