Home / 842,148.51-1,262,761.44-414,744.47

Finding the Fourth Proportional to 842,148.51, 1,262,761.44 and 414,744.47

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Solution

The fourth proportional to 842,148.51, 1,262,761.44 and 414,744.47 is: 621,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,148.51 : 1,262,761.44 = 414,744.47 : x
  2. Step 2: Convert to fraction form
    842,148.51/1,262,761.44 = 414,744.47/x
  3. Step 3: Cross multiply
    842,148.51x = 1,262,761.44 × 414,744.47
  4. Step 4: Simplify right side
    842,148.51x = 523,723,324,169.24
  5. Step 5: Solve for x
    x = 523,723,324,169.24/842,148.51
  6. Step 6: Final answer
    x = 621,889.51

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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.