Home / 897,032.88-1,237,896.37-489,133.69

Finding the Fourth Proportional to 897,032.88, 1,237,896.37 and 489,133.69

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Solution

The fourth proportional to 897,032.88, 1,237,896.37 and 489,133.69 is: 674,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,032.88 : 1,237,896.37 = 489,133.69 : x
  2. Step 2: Convert to fraction form
    897,032.88/1,237,896.37 = 489,133.69/x
  3. Step 3: Cross multiply
    897,032.88x = 1,237,896.37 × 489,133.69
  4. Step 4: Simplify right side
    897,032.88x = 605,496,816,812.38
  5. Step 5: Solve for x
    x = 605,496,816,812.38/897,032.88
  6. Step 6: Final answer
    x = 674,999.58

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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.