Home / 493,234.40-739,928.97-208,925.76

Finding the Fourth Proportional to 493,234.40, 739,928.97 and 208,925.76

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Solution

The fourth proportional to 493,234.40, 739,928.97 and 208,925.76 is: 313,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,234.40 : 739,928.97 = 208,925.76 : x
  2. Step 2: Convert to fraction form
    493,234.40/739,928.97 = 208,925.76/x
  3. Step 3: Cross multiply
    493,234.40x = 739,928.97 × 208,925.76
  4. Step 4: Simplify right side
    493,234.40x = 154,590,222,403.27
  5. Step 5: Solve for x
    x = 154,590,222,403.27/493,234.40
  6. Step 6: Final answer
    x = 313,421.42

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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.