Home / 893,574.78-1,233,145.68-485,676.51

Finding the Fourth Proportional to 893,574.78, 1,233,145.68 and 485,676.51

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Solution

The fourth proportional to 893,574.78, 1,233,145.68 and 485,676.51 is: 670,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,574.78 : 1,233,145.68 = 485,676.51 : x
  2. Step 2: Convert to fraction form
    893,574.78/1,233,145.68 = 485,676.51/x
  3. Step 3: Cross multiply
    893,574.78x = 1,233,145.68 × 485,676.51
  4. Step 4: Simplify right side
    893,574.78x = 598,909,890,183.98
  5. Step 5: Solve for x
    x = 598,909,890,183.98/893,574.78
  6. Step 6: Final answer
    x = 670,240.37

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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.