Home / 849,383.45-1,274,081.66-310,026.32

Finding the Fourth Proportional to 849,383.45, 1,274,081.66 and 310,026.32

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Solution

The fourth proportional to 849,383.45, 1,274,081.66 and 310,026.32 is: 465,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,383.45 : 1,274,081.66 = 310,026.32 : x
  2. Step 2: Convert to fraction form
    849,383.45/1,274,081.66 = 310,026.32/x
  3. Step 3: Cross multiply
    849,383.45x = 1,274,081.66 × 310,026.32
  4. Step 4: Simplify right side
    849,383.45x = 394,998,846,879.16
  5. Step 5: Solve for x
    x = 394,998,846,879.16/849,383.45
  6. Step 6: Final answer
    x = 465,041.85

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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.