Home / 897,094.42-1,238,020.19-489,218.58

Finding the Fourth Proportional to 897,094.42, 1,238,020.19 and 489,218.58

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Solution

The fourth proportional to 897,094.42, 1,238,020.19 and 489,218.58 is: 675,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,094.42 : 1,238,020.19 = 489,218.58 : x
  2. Step 2: Convert to fraction form
    897,094.42/1,238,020.19 = 489,218.58/x
  3. Step 3: Cross multiply
    897,094.42x = 1,238,020.19 × 489,218.58
  4. Step 4: Simplify right side
    897,094.42x = 605,662,480,586.18
  5. Step 5: Solve for x
    x = 605,662,480,586.18/897,094.42
  6. Step 6: Final answer
    x = 675,137.94

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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.