Home / 898,413.90-1,347,292.80-299,394.60

Finding the Fourth Proportional to 898,413.90, 1,347,292.80 and 299,394.60

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Solution

The fourth proportional to 898,413.90, 1,347,292.80 and 299,394.60 is: 448,982.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,413.90 : 1,347,292.80 = 299,394.60 : x
  2. Step 2: Convert to fraction form
    898,413.90/1,347,292.80 = 299,394.60/x
  3. Step 3: Cross multiply
    898,413.90x = 1,347,292.80 × 299,394.60
  4. Step 4: Simplify right side
    898,413.90x = 403,372,188,938.88
  5. Step 5: Solve for x
    x = 403,372,188,938.88/898,413.90
  6. Step 6: Final answer
    x = 448,982.58

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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.