Home / 678,560.88-1,016,290.60-323,824.01

Finding the Fourth Proportional to 678,560.88, 1,016,290.60 and 323,824.01

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Solution

The fourth proportional to 678,560.88, 1,016,290.60 and 323,824.01 is: 484,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,560.88 : 1,016,290.60 = 323,824.01 : x
  2. Step 2: Convert to fraction form
    678,560.88/1,016,290.60 = 323,824.01/x
  3. Step 3: Cross multiply
    678,560.88x = 1,016,290.60 × 323,824.01
  4. Step 4: Simplify right side
    678,560.88x = 329,099,297,242.93
  5. Step 5: Solve for x
    x = 329,099,297,242.93/678,560.88
  6. Step 6: Final answer
    x = 484,995.98

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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.