Home / 483,339.72-666,990.06-268,493.40

Finding the Fourth Proportional to 483,339.72, 666,990.06 and 268,493.40

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Solution

The fourth proportional to 483,339.72, 666,990.06 and 268,493.40 is: 370,510.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,339.72 : 666,990.06 = 268,493.40 : x
  2. Step 2: Convert to fraction form
    483,339.72/666,990.06 = 268,493.40/x
  3. Step 3: Cross multiply
    483,339.72x = 666,990.06 × 268,493.40
  4. Step 4: Simplify right side
    483,339.72x = 179,082,428,975.60
  5. Step 5: Solve for x
    x = 179,082,428,975.60/483,339.72
  6. Step 6: Final answer
    x = 370,510.47

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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.