Home / 883,605.20-1,325,407.78-218,757.20

Finding the Fourth Proportional to 883,605.20, 1,325,407.78 and 218,757.20

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Solution

The fourth proportional to 883,605.20, 1,325,407.78 and 218,757.20 is: 328,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,605.20 : 1,325,407.78 = 218,757.20 : x
  2. Step 2: Convert to fraction form
    883,605.20/1,325,407.78 = 218,757.20/x
  3. Step 3: Cross multiply
    883,605.20x = 1,325,407.78 × 218,757.20
  4. Step 4: Simplify right side
    883,605.20x = 289,942,494,811.02
  5. Step 5: Solve for x
    x = 289,942,494,811.02/883,605.20
  6. Step 6: Final answer
    x = 328,135.80

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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.