Home / 886,985.28-1,331,002.80-326,413.44

Finding the Fourth Proportional to 886,985.28, 1,331,002.80 and 326,413.44

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Solution

The fourth proportional to 886,985.28, 1,331,002.80 and 326,413.44 is: 489,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,985.28 : 1,331,002.80 = 326,413.44 : x
  2. Step 2: Convert to fraction form
    886,985.28/1,331,002.80 = 326,413.44/x
  3. Step 3: Cross multiply
    886,985.28x = 1,331,002.80 × 326,413.44
  4. Step 4: Simplify right side
    886,985.28x = 434,457,202,597.63
  5. Step 5: Solve for x
    x = 434,457,202,597.63/886,985.28
  6. Step 6: Final answer
    x = 489,813.32

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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.