Home / 728,994.60-1,093,491.90-684,671.40

Finding the Fourth Proportional to 728,994.60, 1,093,491.90 and 684,671.40

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Solution

The fourth proportional to 728,994.60, 1,093,491.90 and 684,671.40 is: 1,027,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,994.60 : 1,093,491.90 = 684,671.40 : x
  2. Step 2: Convert to fraction form
    728,994.60/1,093,491.90 = 684,671.40/x
  3. Step 3: Cross multiply
    728,994.60x = 1,093,491.90 × 684,671.40
  4. Step 4: Simplify right side
    728,994.60x = 748,682,630,061.66
  5. Step 5: Solve for x
    x = 748,682,630,061.66/728,994.60
  6. Step 6: Final answer
    x = 1,027,007.10

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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.