Home / 868,669.20-1,303,003.80-554,518.80

Finding the Fourth Proportional to 868,669.20, 1,303,003.80 and 554,518.80

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Solution

The fourth proportional to 868,669.20, 1,303,003.80 and 554,518.80 is: 831,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,669.20 : 1,303,003.80 = 554,518.80 : x
  2. Step 2: Convert to fraction form
    868,669.20/1,303,003.80 = 554,518.80/x
  3. Step 3: Cross multiply
    868,669.20x = 1,303,003.80 × 554,518.80
  4. Step 4: Simplify right side
    868,669.20x = 722,540,103,571.44
  5. Step 5: Solve for x
    x = 722,540,103,571.44/868,669.20
  6. Step 6: Final answer
    x = 831,778.20

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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.