Home / 897,149.67-1,238,051.02-489,254.73

Finding the Fourth Proportional to 897,149.67, 1,238,051.02 and 489,254.73

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Solution

The fourth proportional to 897,149.67, 1,238,051.02 and 489,254.73 is: 675,163.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,149.67 : 1,238,051.02 = 489,254.73 : x
  2. Step 2: Convert to fraction form
    897,149.67/1,238,051.02 = 489,254.73/x
  3. Step 3: Cross multiply
    897,149.67x = 1,238,051.02 × 489,254.73
  4. Step 4: Simplify right side
    897,149.67x = 605,722,317,516.33
  5. Step 5: Solve for x
    x = 605,722,317,516.33/897,149.67
  6. Step 6: Final answer
    x = 675,163.06

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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.