Home / 778,968.05-1,168,511.18-210,340.88

Finding the Fourth Proportional to 778,968.05, 1,168,511.18 and 210,340.88

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Solution

The fourth proportional to 778,968.05, 1,168,511.18 and 210,340.88 is: 315,527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,968.05 : 1,168,511.18 = 210,340.88 : x
  2. Step 2: Convert to fraction form
    778,968.05/1,168,511.18 = 210,340.88/x
  3. Step 3: Cross multiply
    778,968.05x = 1,168,511.18 × 210,340.88
  4. Step 4: Simplify right side
    778,968.05x = 245,785,662,996.78
  5. Step 5: Solve for x
    x = 245,785,662,996.78/778,968.05
  6. Step 6: Final answer
    x = 315,527.27

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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.