Home / 823,634.83-1,235,162.77-247,086.20

Finding the Fourth Proportional to 823,634.83, 1,235,162.77 and 247,086.20

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Solution

The fourth proportional to 823,634.83, 1,235,162.77 and 247,086.20 is: 370,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,634.83 : 1,235,162.77 = 247,086.20 : x
  2. Step 2: Convert to fraction form
    823,634.83/1,235,162.77 = 247,086.20/x
  3. Step 3: Cross multiply
    823,634.83x = 1,235,162.77 × 247,086.20
  4. Step 4: Simplify right side
    823,634.83x = 305,191,672,133.04
  5. Step 5: Solve for x
    x = 305,191,672,133.04/823,634.83
  6. Step 6: Final answer
    x = 370,542.45

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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.