Home / 830,413.60-1,245,927.60-269,466.40

Finding the Fourth Proportional to 830,413.60, 1,245,927.60 and 269,466.40

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Solution

The fourth proportional to 830,413.60, 1,245,927.60 and 269,466.40 is: 404,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,413.60 : 1,245,927.60 = 269,466.40 : x
  2. Step 2: Convert to fraction form
    830,413.60/1,245,927.60 = 269,466.40/x
  3. Step 3: Cross multiply
    830,413.60x = 1,245,927.60 × 269,466.40
  4. Step 4: Simplify right side
    830,413.60x = 335,735,625,032.64
  5. Step 5: Solve for x
    x = 335,735,625,032.64/830,413.60
  6. Step 6: Final answer
    x = 404,299.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.