Home / 483,331.72-666,979.14-268,485.52

Finding the Fourth Proportional to 483,331.72, 666,979.14 and 268,485.52

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Solution

The fourth proportional to 483,331.72, 666,979.14 and 268,485.52 is: 370,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,331.72 : 666,979.14 = 268,485.52 : x
  2. Step 2: Convert to fraction form
    483,331.72/666,979.14 = 268,485.52/x
  3. Step 3: Cross multiply
    483,331.72x = 666,979.14 × 268,485.52
  4. Step 4: Simplify right side
    483,331.72x = 179,074,241,232.05
  5. Step 5: Solve for x
    x = 179,074,241,232.05/483,331.72
  6. Step 6: Final answer
    x = 370,499.67

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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.