Home / 763,464.96-1,053,613.44-423,936

Finding the Fourth Proportional to 763,464.96, 1,053,613.44 and 423,936

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Solution

The fourth proportional to 763,464.96, 1,053,613.44 and 423,936 is: 585,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,464.96 : 1,053,613.44 = 423,936 : x
  2. Step 2: Convert to fraction form
    763,464.96/1,053,613.44 = 423,936/x
  3. Step 3: Cross multiply
    763,464.96x = 1,053,613.44 × 423,936
  4. Step 4: Simplify right side
    763,464.96x = 446,664,667,299.84
  5. Step 5: Solve for x
    x = 446,664,667,299.84/763,464.96
  6. Step 6: Final answer
    x = 585,049.34

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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.