Home / 897,100.65-1,238,028.81-489,224.84

Finding the Fourth Proportional to 897,100.65, 1,238,028.81 and 489,224.84

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Solution

The fourth proportional to 897,100.65, 1,238,028.81 and 489,224.84 is: 675,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,100.65 : 1,238,028.81 = 489,224.84 : x
  2. Step 2: Convert to fraction form
    897,100.65/1,238,028.81 = 489,224.84/x
  3. Step 3: Cross multiply
    897,100.65x = 1,238,028.81 × 489,224.84
  4. Step 4: Simplify right side
    897,100.65x = 605,674,440,297.50
  5. Step 5: Solve for x
    x = 605,674,440,297.50/897,100.65
  6. Step 6: Final answer
    x = 675,146.59

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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.