Home / 483,553.64-667,290.76-268,688.18

Finding the Fourth Proportional to 483,553.64, 667,290.76 and 268,688.18

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Solution

The fourth proportional to 483,553.64, 667,290.76 and 268,688.18 is: 370,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,553.64 : 667,290.76 = 268,688.18 : x
  2. Step 2: Convert to fraction form
    483,553.64/667,290.76 = 268,688.18/x
  3. Step 3: Cross multiply
    483,553.64x = 667,290.76 × 268,688.18
  4. Step 4: Simplify right side
    483,553.64x = 179,293,139,835.22
  5. Step 5: Solve for x
    x = 179,293,139,835.22/483,553.64
  6. Step 6: Final answer
    x = 370,782.32

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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.