Home / 493,106.40-739,951.20-325,112.40

Finding the Fourth Proportional to 493,106.40, 739,951.20 and 325,112.40

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Solution

The fourth proportional to 493,106.40, 739,951.20 and 325,112.40 is: 487,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,106.40 : 739,951.20 = 325,112.40 : x
  2. Step 2: Convert to fraction form
    493,106.40/739,951.20 = 325,112.40/x
  3. Step 3: Cross multiply
    493,106.40x = 739,951.20 × 325,112.40
  4. Step 4: Simplify right side
    493,106.40x = 240,567,310,514.88
  5. Step 5: Solve for x
    x = 240,567,310,514.88/493,106.40
  6. Step 6: Final answer
    x = 487,860.86

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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.