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Finding the Fourth Proportional to 608,890.56, 840,682.44 and 379,539.60

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Solution

The fourth proportional to 608,890.56, 840,682.44 and 379,539.60 is: 524,022.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,890.56 : 840,682.44 = 379,539.60 : x
  2. Step 2: Convert to fraction form
    608,890.56/840,682.44 = 379,539.60/x
  3. Step 3: Cross multiply
    608,890.56x = 840,682.44 × 379,539.60
  4. Step 4: Simplify right side
    608,890.56x = 319,072,277,004.62
  5. Step 5: Solve for x
    x = 319,072,277,004.62/608,890.56
  6. Step 6: Final answer
    x = 524,022.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.