Home / 915,469.99-1,373,204.94-308,207.52

Finding the Fourth Proportional to 915,469.99, 1,373,204.94 and 308,207.52

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Solution

The fourth proportional to 915,469.99, 1,373,204.94 and 308,207.52 is: 462,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,469.99 : 1,373,204.94 = 308,207.52 : x
  2. Step 2: Convert to fraction form
    915,469.99/1,373,204.94 = 308,207.52/x
  3. Step 3: Cross multiply
    915,469.99x = 1,373,204.94 × 308,207.52
  4. Step 4: Simplify right side
    915,469.99x = 423,232,087,853.37
  5. Step 5: Solve for x
    x = 423,232,087,853.37/915,469.99
  6. Step 6: Final answer
    x = 462,311.26

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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.