Home / 680,471.64-1,021,102.92-376,896.60

Finding the Fourth Proportional to 680,471.64, 1,021,102.92 and 376,896.60

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Solution

The fourth proportional to 680,471.64, 1,021,102.92 and 376,896.60 is: 565,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,471.64 : 1,021,102.92 = 376,896.60 : x
  2. Step 2: Convert to fraction form
    680,471.64/1,021,102.92 = 376,896.60/x
  3. Step 3: Cross multiply
    680,471.64x = 1,021,102.92 × 376,896.60
  4. Step 4: Simplify right side
    680,471.64x = 384,850,218,798.07
  5. Step 5: Solve for x
    x = 384,850,218,798.07/680,471.64
  6. Step 6: Final answer
    x = 565,563.94

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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.