Home / 684,413.60-1,025,929.20-310,704.80

Finding the Fourth Proportional to 684,413.60, 1,025,929.20 and 310,704.80

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Solution

The fourth proportional to 684,413.60, 1,025,929.20 and 310,704.80 is: 465,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,413.60 : 1,025,929.20 = 310,704.80 : x
  2. Step 2: Convert to fraction form
    684,413.60/1,025,929.20 = 310,704.80/x
  3. Step 3: Cross multiply
    684,413.60x = 1,025,929.20 × 310,704.80
  4. Step 4: Simplify right side
    684,413.60x = 318,761,126,900.16
  5. Step 5: Solve for x
    x = 318,761,126,900.16/684,413.60
  6. Step 6: Final answer
    x = 465,743.41

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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.