Home / 893,788.37-1,338,887.51-413,342.74

Finding the Fourth Proportional to 893,788.37, 1,338,887.51 and 413,342.74

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Solution

The fourth proportional to 893,788.37, 1,338,887.51 and 413,342.74 is: 619,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,788.37 : 1,338,887.51 = 413,342.74 : x
  2. Step 2: Convert to fraction form
    893,788.37/1,338,887.51 = 413,342.74/x
  3. Step 3: Cross multiply
    893,788.37x = 1,338,887.51 × 413,342.74
  4. Step 4: Simplify right side
    893,788.37x = 553,419,431,092.78
  5. Step 5: Solve for x
    x = 553,419,431,092.78/893,788.37
  6. Step 6: Final answer
    x = 619,183.97

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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.