Home / 778,989.89-1,168,367.89-246,441.72

Finding the Fourth Proportional to 778,989.89, 1,168,367.89 and 246,441.72

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Solution

The fourth proportional to 778,989.89, 1,168,367.89 and 246,441.72 is: 369,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,989.89 : 1,168,367.89 = 246,441.72 : x
  2. Step 2: Convert to fraction form
    778,989.89/1,168,367.89 = 246,441.72/x
  3. Step 3: Cross multiply
    778,989.89x = 1,168,367.89 × 246,441.72
  4. Step 4: Simplify right side
    778,989.89x = 287,934,591,172.16
  5. Step 5: Solve for x
    x = 287,934,591,172.16/778,989.89
  6. Step 6: Final answer
    x = 369,625.58

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Double scale
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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.