Home / 915,800.72-1,373,899.44-276,050.94

Finding the Fourth Proportional to 915,800.72, 1,373,899.44 and 276,050.94

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Solution

The fourth proportional to 915,800.72, 1,373,899.44 and 276,050.94 is: 414,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,800.72 : 1,373,899.44 = 276,050.94 : x
  2. Step 2: Convert to fraction form
    915,800.72/1,373,899.44 = 276,050.94/x
  3. Step 3: Cross multiply
    915,800.72x = 1,373,899.44 × 276,050.94
  4. Step 4: Simplify right side
    915,800.72x = 379,266,227,760.54
  5. Step 5: Solve for x
    x = 379,266,227,760.54/915,800.72
  6. Step 6: Final answer
    x = 414,136.20

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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.