Home / 897,096.35-1,238,022.86-489,220.51

Finding the Fourth Proportional to 897,096.35, 1,238,022.86 and 489,220.51

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Solution

The fourth proportional to 897,096.35, 1,238,022.86 and 489,220.51 is: 675,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,096.35 : 1,238,022.86 = 489,220.51 : x
  2. Step 2: Convert to fraction form
    897,096.35/1,238,022.86 = 489,220.51/x
  3. Step 3: Cross multiply
    897,096.35x = 1,238,022.86 × 489,220.51
  4. Step 4: Simplify right side
    897,096.35x = 605,666,174,960.86
  5. Step 5: Solve for x
    x = 605,666,174,960.86/897,096.35
  6. Step 6: Final answer
    x = 675,140.61

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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.