Home / 728,998.10-1,093,497.15-684,674.90

Finding the Fourth Proportional to 728,998.10, 1,093,497.15 and 684,674.90

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Solution

The fourth proportional to 728,998.10, 1,093,497.15 and 684,674.90 is: 1,027,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,998.10 : 1,093,497.15 = 684,674.90 : x
  2. Step 2: Convert to fraction form
    728,998.10/1,093,497.15 = 684,674.90/x
  3. Step 3: Cross multiply
    728,998.10x = 1,093,497.15 × 684,674.90
  4. Step 4: Simplify right side
    728,998.10x = 748,690,051,826.54
  5. Step 5: Solve for x
    x = 748,690,051,826.54/728,998.10
  6. Step 6: Final answer
    x = 1,027,012.35

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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.