Home / 643,823.24-966,682.88-360,069.73

Finding the Fourth Proportional to 643,823.24, 966,682.88 and 360,069.73

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Solution

The fourth proportional to 643,823.24, 966,682.88 and 360,069.73 is: 540,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,823.24 : 966,682.88 = 360,069.73 : x
  2. Step 2: Convert to fraction form
    643,823.24/966,682.88 = 360,069.73/x
  3. Step 3: Cross multiply
    643,823.24x = 966,682.88 × 360,069.73
  4. Step 4: Simplify right side
    643,823.24x = 348,073,242,183.34
  5. Step 5: Solve for x
    x = 348,073,242,183.34/643,823.24
  6. Step 6: Final answer
    x = 540,634.79

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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.