Home / 511,120.20-767,036.04-211,602.34

Finding the Fourth Proportional to 511,120.20, 767,036.04 and 211,602.34

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Solution

The fourth proportional to 511,120.20, 767,036.04 and 211,602.34 is: 317,550.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,120.20 : 767,036.04 = 211,602.34 : x
  2. Step 2: Convert to fraction form
    511,120.20/767,036.04 = 211,602.34/x
  3. Step 3: Cross multiply
    511,120.20x = 767,036.04 × 211,602.34
  4. Step 4: Simplify right side
    511,120.20x = 162,306,620,928.33
  5. Step 5: Solve for x
    x = 162,306,620,928.33/511,120.20
  6. Step 6: Final answer
    x = 317,550.79

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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.