Home / 809,973.20-1,214,959.80-360,693.20

Finding the Fourth Proportional to 809,973.20, 1,214,959.80 and 360,693.20

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Solution

The fourth proportional to 809,973.20, 1,214,959.80 and 360,693.20 is: 541,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,973.20 : 1,214,959.80 = 360,693.20 : x
  2. Step 2: Convert to fraction form
    809,973.20/1,214,959.80 = 360,693.20/x
  3. Step 3: Cross multiply
    809,973.20x = 1,214,959.80 × 360,693.20
  4. Step 4: Simplify right side
    809,973.20x = 438,227,738,133.36
  5. Step 5: Solve for x
    x = 438,227,738,133.36/809,973.20
  6. Step 6: Final answer
    x = 541,039.80

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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.