Home / 645,837.98-968,157.94-285,817.46

Finding the Fourth Proportional to 645,837.98, 968,157.94 and 285,817.46

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Solution

The fourth proportional to 645,837.98, 968,157.94 and 285,817.46 is: 428,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,837.98 : 968,157.94 = 285,817.46 : x
  2. Step 2: Convert to fraction form
    645,837.98/968,157.94 = 285,817.46/x
  3. Step 3: Cross multiply
    645,837.98x = 968,157.94 × 285,817.46
  4. Step 4: Simplify right side
    645,837.98x = 276,716,444,519.96
  5. Step 5: Solve for x
    x = 276,716,444,519.96/645,837.98
  6. Step 6: Final answer
    x = 428,461.09

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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.