Home / 864,083.70-1,192,410.72-482,102.28

Finding the Fourth Proportional to 864,083.70, 1,192,410.72 and 482,102.28

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Solution

The fourth proportional to 864,083.70, 1,192,410.72 and 482,102.28 is: 665,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,083.70 : 1,192,410.72 = 482,102.28 : x
  2. Step 2: Convert to fraction form
    864,083.70/1,192,410.72 = 482,102.28/x
  3. Step 3: Cross multiply
    864,083.70x = 1,192,410.72 × 482,102.28
  4. Step 4: Simplify right side
    864,083.70x = 574,863,926,808.44
  5. Step 5: Solve for x
    x = 574,863,926,808.44/864,083.70
  6. Step 6: Final answer
    x = 665,287.32

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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.