Home / 827,247.36-1,240,483.44-347,372.64

Finding the Fourth Proportional to 827,247.36, 1,240,483.44 and 347,372.64

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Solution

The fourth proportional to 827,247.36, 1,240,483.44 and 347,372.64 is: 520,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,247.36 : 1,240,483.44 = 347,372.64 : x
  2. Step 2: Convert to fraction form
    827,247.36/1,240,483.44 = 347,372.64/x
  3. Step 3: Cross multiply
    827,247.36x = 1,240,483.44 × 347,372.64
  4. Step 4: Simplify right side
    827,247.36x = 430,910,007,429.08
  5. Step 5: Solve for x
    x = 430,910,007,429.08/827,247.36
  6. Step 6: Final answer
    x = 520,896.20

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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.