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Finding the Fourth Proportional to 578,230.56, 797,958.12 and 323,630.88

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Solution

The fourth proportional to 578,230.56, 797,958.12 and 323,630.88 is: 446,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,230.56 : 797,958.12 = 323,630.88 : x
  2. Step 2: Convert to fraction form
    578,230.56/797,958.12 = 323,630.88/x
  3. Step 3: Cross multiply
    578,230.56x = 797,958.12 × 323,630.88
  4. Step 4: Simplify right side
    578,230.56x = 258,243,888,578.75
  5. Step 5: Solve for x
    x = 258,243,888,578.75/578,230.56
  6. Step 6: Final answer
    x = 446,610.58

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1.5x scale

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.