Home / 897,424.66-1,238,469.39-489,533.38

Finding the Fourth Proportional to 897,424.66, 1,238,469.39 and 489,533.38

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Solution

The fourth proportional to 897,424.66, 1,238,469.39 and 489,533.38 is: 675,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,424.66 : 1,238,469.39 = 489,533.38 : x
  2. Step 2: Convert to fraction form
    897,424.66/1,238,469.39 = 489,533.38/x
  3. Step 3: Cross multiply
    897,424.66x = 1,238,469.39 × 489,533.38
  4. Step 4: Simplify right side
    897,424.66x = 606,272,106,513.24
  5. Step 5: Solve for x
    x = 606,272,106,513.24/897,424.66
  6. Step 6: Final answer
    x = 675,568.81

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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.