Home / 480,676.95-719,965.67-396,171.27

Finding the Fourth Proportional to 480,676.95, 719,965.67 and 396,171.27

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Solution

The fourth proportional to 480,676.95, 719,965.67 and 396,171.27 is: 593,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,676.95 : 719,965.67 = 396,171.27 : x
  2. Step 2: Convert to fraction form
    480,676.95/719,965.67 = 396,171.27/x
  3. Step 3: Cross multiply
    480,676.95x = 719,965.67 × 396,171.27
  4. Step 4: Simplify right side
    480,676.95x = 285,229,711,859.45
  5. Step 5: Solve for x
    x = 285,229,711,859.45/480,676.95
  6. Step 6: Final answer
    x = 593,391.70

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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.