Home / 843,003.80-1,263,914.40-310,455.80

Finding the Fourth Proportional to 843,003.80, 1,263,914.40 and 310,455.80

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Solution

The fourth proportional to 843,003.80, 1,263,914.40 and 310,455.80 is: 465,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,003.80 : 1,263,914.40 = 310,455.80 : x
  2. Step 2: Convert to fraction form
    843,003.80/1,263,914.40 = 310,455.80/x
  3. Step 3: Cross multiply
    843,003.80x = 1,263,914.40 × 310,455.80
  4. Step 4: Simplify right side
    843,003.80x = 392,389,556,183.52
  5. Step 5: Solve for x
    x = 392,389,556,183.52/843,003.80
  6. Step 6: Final answer
    x = 465,465.94

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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.