Home / 897,036.54-1,237,901.42-489,137.34

Finding the Fourth Proportional to 897,036.54, 1,237,901.42 and 489,137.34

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Solution

The fourth proportional to 897,036.54, 1,237,901.42 and 489,137.34 is: 675,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,036.54 : 1,237,901.42 = 489,137.34 : x
  2. Step 2: Convert to fraction form
    897,036.54/1,237,901.42 = 489,137.34/x
  3. Step 3: Cross multiply
    897,036.54x = 1,237,901.42 × 489,137.34
  4. Step 4: Simplify right side
    897,036.54x = 605,503,810,874.60
  5. Step 5: Solve for x
    x = 605,503,810,874.60/897,036.54
  6. Step 6: Final answer
    x = 675,004.63

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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.