Home / 840,609.78-1,260,469.08-366,741.54

Finding the Fourth Proportional to 840,609.78, 1,260,469.08 and 366,741.54

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Solution

The fourth proportional to 840,609.78, 1,260,469.08 and 366,741.54 is: 549,917.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,609.78 : 1,260,469.08 = 366,741.54 : x
  2. Step 2: Convert to fraction form
    840,609.78/1,260,469.08 = 366,741.54/x
  3. Step 3: Cross multiply
    840,609.78x = 1,260,469.08 × 366,741.54
  4. Step 4: Simplify right side
    840,609.78x = 462,266,371,521.58
  5. Step 5: Solve for x
    x = 462,266,371,521.58/840,609.78
  6. Step 6: Final answer
    x = 549,917.91

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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.