Home / 694,698.54-1,042,028.37-221,412.30

Finding the Fourth Proportional to 694,698.54, 1,042,028.37 and 221,412.30

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Solution

The fourth proportional to 694,698.54, 1,042,028.37 and 221,412.30 is: 332,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,698.54 : 1,042,028.37 = 221,412.30 : x
  2. Step 2: Convert to fraction form
    694,698.54/1,042,028.37 = 221,412.30/x
  3. Step 3: Cross multiply
    694,698.54x = 1,042,028.37 × 221,412.30
  4. Step 4: Simplify right side
    694,698.54x = 230,717,898,066.95
  5. Step 5: Solve for x
    x = 230,717,898,066.95/694,698.54
  6. Step 6: Final answer
    x = 332,112.25

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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.