Home / 897,055.63-1,237,927.73-489,156.44

Finding the Fourth Proportional to 897,055.63, 1,237,927.73 and 489,156.44

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Solution

The fourth proportional to 897,055.63, 1,237,927.73 and 489,156.44 is: 675,030.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,055.63 : 1,237,927.73 = 489,156.44 : x
  2. Step 2: Convert to fraction form
    897,055.63/1,237,927.73 = 489,156.44/x
  3. Step 3: Cross multiply
    897,055.63x = 1,237,927.73 × 489,156.44
  4. Step 4: Simplify right side
    897,055.63x = 605,540,319,512.15
  5. Step 5: Solve for x
    x = 605,540,319,512.15/897,055.63
  6. Step 6: Final answer
    x = 675,030.96

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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.