Home / 695,224.20-1,042,573.84-320,984.76

Finding the Fourth Proportional to 695,224.20, 1,042,573.84 and 320,984.76

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Solution

The fourth proportional to 695,224.20, 1,042,573.84 and 320,984.76 is: 481,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,224.20 : 1,042,573.84 = 320,984.76 : x
  2. Step 2: Convert to fraction form
    695,224.20/1,042,573.84 = 320,984.76/x
  3. Step 3: Cross multiply
    695,224.20x = 1,042,573.84 × 320,984.76
  4. Step 4: Simplify right side
    695,224.20x = 334,650,313,814.68
  5. Step 5: Solve for x
    x = 334,650,313,814.68/695,224.20
  6. Step 6: Final answer
    x = 481,355.96

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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.