Home / 646,486.38-969,730.32-197,183.46

Finding the Fourth Proportional to 646,486.38, 969,730.32 and 197,183.46

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Solution

The fourth proportional to 646,486.38, 969,730.32 and 197,183.46 is: 295,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,486.38 : 969,730.32 = 197,183.46 : x
  2. Step 2: Convert to fraction form
    646,486.38/969,730.32 = 197,183.46/x
  3. Step 3: Cross multiply
    646,486.38x = 969,730.32 × 197,183.46
  4. Step 4: Simplify right side
    646,486.38x = 191,214,779,764.51
  5. Step 5: Solve for x
    x = 191,214,779,764.51/646,486.38
  6. Step 6: Final answer
    x = 295,775.42

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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.