Home / 401,725.62-554,362.74-220,433.04

Finding the Fourth Proportional to 401,725.62, 554,362.74 and 220,433.04

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Solution

The fourth proportional to 401,725.62, 554,362.74 and 220,433.04 is: 304,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,725.62 : 554,362.74 = 220,433.04 : x
  2. Step 2: Convert to fraction form
    401,725.62/554,362.74 = 220,433.04/x
  3. Step 3: Cross multiply
    401,725.62x = 554,362.74 × 220,433.04
  4. Step 4: Simplify right side
    401,725.62x = 122,199,864,040.93
  5. Step 5: Solve for x
    x = 122,199,864,040.93/401,725.62
  6. Step 6: Final answer
    x = 304,187.38

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1.5x scale

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.