Home / 845,833.52-1,268,937.14-419,601.20

Finding the Fourth Proportional to 845,833.52, 1,268,937.14 and 419,601.20

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Solution

The fourth proportional to 845,833.52, 1,268,937.14 and 419,601.20 is: 629,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,833.52 : 1,268,937.14 = 419,601.20 : x
  2. Step 2: Convert to fraction form
    845,833.52/1,268,937.14 = 419,601.20/x
  3. Step 3: Cross multiply
    845,833.52x = 1,268,937.14 × 419,601.20
  4. Step 4: Simplify right side
    845,833.52x = 532,447,546,668.57
  5. Step 5: Solve for x
    x = 532,447,546,668.57/845,833.52
  6. Step 6: Final answer
    x = 629,494.50

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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.