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Finding the Fourth Proportional to 713,035.92, 983,896.02 and 426,451.44

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Solution

The fourth proportional to 713,035.92, 983,896.02 and 426,451.44 is: 588,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,035.92 : 983,896.02 = 426,451.44 : x
  2. Step 2: Convert to fraction form
    713,035.92/983,896.02 = 426,451.44/x
  3. Step 3: Cross multiply
    713,035.92x = 983,896.02 × 426,451.44
  4. Step 4: Simplify right side
    713,035.92x = 419,583,874,539.27
  5. Step 5: Solve for x
    x = 419,583,874,539.27/713,035.92
  6. Step 6: Final answer
    x = 588,447.04

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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.