Home / 565,933.02-780,983.84-320,964.42

Finding the Fourth Proportional to 565,933.02, 780,983.84 and 320,964.42

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Solution

The fourth proportional to 565,933.02, 780,983.84 and 320,964.42 is: 442,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,933.02 : 780,983.84 = 320,964.42 : x
  2. Step 2: Convert to fraction form
    565,933.02/780,983.84 = 320,964.42/x
  3. Step 3: Cross multiply
    565,933.02x = 780,983.84 × 320,964.42
  4. Step 4: Simplify right side
    565,933.02x = 250,668,025,234.97
  5. Step 5: Solve for x
    x = 250,668,025,234.97/565,933.02
  6. Step 6: Final answer
    x = 442,928.79

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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.