Home / 454,420.10-681,556.28-214,533.54

Finding the Fourth Proportional to 454,420.10, 681,556.28 and 214,533.54

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Solution

The fourth proportional to 454,420.10, 681,556.28 and 214,533.54 is: 321,765.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,420.10 : 681,556.28 = 214,533.54 : x
  2. Step 2: Convert to fraction form
    454,420.10/681,556.28 = 214,533.54/x
  3. Step 3: Cross multiply
    454,420.10x = 681,556.28 × 214,533.54
  4. Step 4: Simplify right side
    454,420.10x = 146,216,681,993.97
  5. Step 5: Solve for x
    x = 146,216,681,993.97/454,420.10
  6. Step 6: Final answer
    x = 321,765.44

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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.