Home / 839,656.94-1,259,491.08-306,958.82

Finding the Fourth Proportional to 839,656.94, 1,259,491.08 and 306,958.82

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Solution

The fourth proportional to 839,656.94, 1,259,491.08 and 306,958.82 is: 460,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,656.94 : 1,259,491.08 = 306,958.82 : x
  2. Step 2: Convert to fraction form
    839,656.94/1,259,491.08 = 306,958.82/x
  3. Step 3: Cross multiply
    839,656.94x = 1,259,491.08 × 306,958.82
  4. Step 4: Simplify right side
    839,656.94x = 386,611,895,717.33
  5. Step 5: Solve for x
    x = 386,611,895,717.33/839,656.94
  6. Step 6: Final answer
    x = 460,440.30

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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.