Home / 775,042.80-1,162,586.28-214,077.36

Finding the Fourth Proportional to 775,042.80, 1,162,586.28 and 214,077.36

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Solution

The fourth proportional to 775,042.80, 1,162,586.28 and 214,077.36 is: 321,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,042.80 : 1,162,586.28 = 214,077.36 : x
  2. Step 2: Convert to fraction form
    775,042.80/1,162,586.28 = 214,077.36/x
  3. Step 3: Cross multiply
    775,042.80x = 1,162,586.28 × 214,077.36
  4. Step 4: Simplify right side
    775,042.80x = 248,883,401,594.62
  5. Step 5: Solve for x
    x = 248,883,401,594.62/775,042.80
  6. Step 6: Final answer
    x = 321,122.14

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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.