Home / 778,865.70-1,168,104.15-298,989.30

Finding the Fourth Proportional to 778,865.70, 1,168,104.15 and 298,989.30

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Solution

The fourth proportional to 778,865.70, 1,168,104.15 and 298,989.30 is: 448,409.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,865.70 : 1,168,104.15 = 298,989.30 : x
  2. Step 2: Convert to fraction form
    778,865.70/1,168,104.15 = 298,989.30/x
  3. Step 3: Cross multiply
    778,865.70x = 1,168,104.15 × 298,989.30
  4. Step 4: Simplify right side
    778,865.70x = 349,250,642,135.60
  5. Step 5: Solve for x
    x = 349,250,642,135.60/778,865.70
  6. Step 6: Final answer
    x = 448,409.32

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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.