Home / 802,814.12-1,203,378.30-270,150.28

Finding the Fourth Proportional to 802,814.12, 1,203,378.30 and 270,150.28

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Solution

The fourth proportional to 802,814.12, 1,203,378.30 and 270,150.28 is: 404,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,814.12 : 1,203,378.30 = 270,150.28 : x
  2. Step 2: Convert to fraction form
    802,814.12/1,203,378.30 = 270,150.28/x
  3. Step 3: Cross multiply
    802,814.12x = 1,203,378.30 × 270,150.28
  4. Step 4: Simplify right side
    802,814.12x = 325,092,984,690.92
  5. Step 5: Solve for x
    x = 325,092,984,690.92/802,814.12
  6. Step 6: Final answer
    x = 404,941.79

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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.