Home / 704,849.20-1,057,718.56-300,040.80

Finding the Fourth Proportional to 704,849.20, 1,057,718.56 and 300,040.80

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Solution

The fourth proportional to 704,849.20, 1,057,718.56 and 300,040.80 is: 450,250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,849.20 : 1,057,718.56 = 300,040.80 : x
  2. Step 2: Convert to fraction form
    704,849.20/1,057,718.56 = 300,040.80/x
  3. Step 3: Cross multiply
    704,849.20x = 1,057,718.56 × 300,040.80
  4. Step 4: Simplify right side
    704,849.20x = 317,358,722,917.25
  5. Step 5: Solve for x
    x = 317,358,722,917.25/704,849.20
  6. Step 6: Final answer
    x = 450,250.53

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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.