Home / 896,219.25-1,236,766.90-488,324.47

Finding the Fourth Proportional to 896,219.25, 1,236,766.90 and 488,324.47

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Solution

The fourth proportional to 896,219.25, 1,236,766.90 and 488,324.47 is: 673,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,219.25 : 1,236,766.90 = 488,324.47 : x
  2. Step 2: Convert to fraction form
    896,219.25/1,236,766.90 = 488,324.47/x
  3. Step 3: Cross multiply
    896,219.25x = 1,236,766.90 × 488,324.47
  4. Step 4: Simplify right side
    896,219.25x = 603,943,540,956.04
  5. Step 5: Solve for x
    x = 603,943,540,956.04/896,219.25
  6. Step 6: Final answer
    x = 673,879.23

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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.