Home / 778,999.60-1,168,280.70-246,683.80

Finding the Fourth Proportional to 778,999.60, 1,168,280.70 and 246,683.80

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Solution

The fourth proportional to 778,999.60, 1,168,280.70 and 246,683.80 is: 369,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,999.60 : 1,168,280.70 = 246,683.80 : x
  2. Step 2: Convert to fraction form
    778,999.60/1,168,280.70 = 246,683.80/x
  3. Step 3: Cross multiply
    778,999.60x = 1,168,280.70 × 246,683.80
  4. Step 4: Simplify right side
    778,999.60x = 288,195,922,542.66
  5. Step 5: Solve for x
    x = 288,195,922,542.66/778,999.60
  6. Step 6: Final answer
    x = 369,956.44

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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.