Home / 823,945.80-1,236,647.70-486,564.60

Finding the Fourth Proportional to 823,945.80, 1,236,647.70 and 486,564.60

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Solution

The fourth proportional to 823,945.80, 1,236,647.70 and 486,564.60 is: 730,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,945.80 : 1,236,647.70 = 486,564.60 : x
  2. Step 2: Convert to fraction form
    823,945.80/1,236,647.70 = 486,564.60/x
  3. Step 3: Cross multiply
    823,945.80x = 1,236,647.70 × 486,564.60
  4. Step 4: Simplify right side
    823,945.80x = 601,708,993,491.42
  5. Step 5: Solve for x
    x = 601,708,993,491.42/823,945.80
  6. Step 6: Final answer
    x = 730,277.40

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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.