Home / 845,842.23-1,269,026.39-277,228.31

Finding the Fourth Proportional to 845,842.23, 1,269,026.39 and 277,228.31

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Solution

The fourth proportional to 845,842.23, 1,269,026.39 and 277,228.31 is: 415,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,842.23 : 1,269,026.39 = 277,228.31 : x
  2. Step 2: Convert to fraction form
    845,842.23/1,269,026.39 = 277,228.31/x
  3. Step 3: Cross multiply
    845,842.23x = 1,269,026.39 × 277,228.31
  4. Step 4: Simplify right side
    845,842.23x = 351,810,035,793.04
  5. Step 5: Solve for x
    x = 351,810,035,793.04/845,842.23
  6. Step 6: Final answer
    x = 415,928.67

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Double scale
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Similar ratio
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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.