Home / 897,046.38-1,237,914.97-489,147.19

Finding the Fourth Proportional to 897,046.38, 1,237,914.97 and 489,147.19

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Solution

The fourth proportional to 897,046.38, 1,237,914.97 and 489,147.19 is: 675,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,046.38 : 1,237,914.97 = 489,147.19 : x
  2. Step 2: Convert to fraction form
    897,046.38/1,237,914.97 = 489,147.19/x
  3. Step 3: Cross multiply
    897,046.38x = 1,237,914.97 × 489,147.19
  4. Step 4: Simplify right side
    897,046.38x = 605,522,624,716.78
  5. Step 5: Solve for x
    x = 605,522,624,716.78/897,046.38
  6. Step 6: Final answer
    x = 675,018.19

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Double scale
Find fourth proportional to 897,047.38, 1,237,916.35 and 489,148.19
Similar ratio
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1.5x scale

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.