Home / 897,052.88-1,237,923.96-489,153.72

Finding the Fourth Proportional to 897,052.88, 1,237,923.96 and 489,153.72

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Solution

The fourth proportional to 897,052.88, 1,237,923.96 and 489,153.72 is: 675,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,052.88 : 1,237,923.96 = 489,153.72 : x
  2. Step 2: Convert to fraction form
    897,052.88/1,237,923.96 = 489,153.72/x
  3. Step 3: Cross multiply
    897,052.88x = 1,237,923.96 × 489,153.72
  4. Step 4: Simplify right side
    897,052.88x = 605,535,110,111.13
  5. Step 5: Solve for x
    x = 605,535,110,111.13/897,052.88
  6. Step 6: Final answer
    x = 675,027.22

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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.