Home / 778,770.27-1,168,100.05-210,183.76

Finding the Fourth Proportional to 778,770.27, 1,168,100.05 and 210,183.76

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Solution

The fourth proportional to 778,770.27, 1,168,100.05 and 210,183.76 is: 315,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,770.27 : 1,168,100.05 = 210,183.76 : x
  2. Step 2: Convert to fraction form
    778,770.27/1,168,100.05 = 210,183.76/x
  3. Step 3: Cross multiply
    778,770.27x = 1,168,100.05 × 210,183.76
  4. Step 4: Simplify right side
    778,770.27x = 245,515,662,189.51
  5. Step 5: Solve for x
    x = 245,515,662,189.51/778,770.27
  6. Step 6: Final answer
    x = 315,260.70

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1.5x scale

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.