Home / 401,964.16-554,717.04-220,692.80

Finding the Fourth Proportional to 401,964.16, 554,717.04 and 220,692.80

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Solution

The fourth proportional to 401,964.16, 554,717.04 and 220,692.80 is: 304,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,964.16 : 554,717.04 = 220,692.80 : x
  2. Step 2: Convert to fraction form
    401,964.16/554,717.04 = 220,692.80/x
  3. Step 3: Cross multiply
    401,964.16x = 554,717.04 × 220,692.80
  4. Step 4: Simplify right side
    401,964.16x = 122,422,056,765.31
  5. Step 5: Solve for x
    x = 122,422,056,765.31/401,964.16
  6. Step 6: Final answer
    x = 304,559.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.