Home / 845,135.25-1,267,435.22-276,384.93

Finding the Fourth Proportional to 845,135.25, 1,267,435.22 and 276,384.93

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Solution

The fourth proportional to 845,135.25, 1,267,435.22 and 276,384.93 is: 414,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,135.25 : 1,267,435.22 = 276,384.93 : x
  2. Step 2: Convert to fraction form
    845,135.25/1,267,435.22 = 276,384.93/x
  3. Step 3: Cross multiply
    845,135.25x = 1,267,435.22 × 276,384.93
  4. Step 4: Simplify right side
    845,135.25x = 350,299,993,177.31
  5. Step 5: Solve for x
    x = 350,299,993,177.31/845,135.25
  6. Step 6: Final answer
    x = 414,489.86

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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.