Home / 385,965.46-578,949.58-273,304.88

Finding the Fourth Proportional to 385,965.46, 578,949.58 and 273,304.88

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Solution

The fourth proportional to 385,965.46, 578,949.58 and 273,304.88 is: 409,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,965.46 : 578,949.58 = 273,304.88 : x
  2. Step 2: Convert to fraction form
    385,965.46/578,949.58 = 273,304.88/x
  3. Step 3: Cross multiply
    385,965.46x = 578,949.58 × 273,304.88
  4. Step 4: Simplify right side
    385,965.46x = 158,229,746,825.15
  5. Step 5: Solve for x
    x = 158,229,746,825.15/385,965.46
  6. Step 6: Final answer
    x = 409,958.31

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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.