Home / 845,438.01-1,268,312.49-276,850.77

Finding the Fourth Proportional to 845,438.01, 1,268,312.49 and 276,850.77

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Solution

The fourth proportional to 845,438.01, 1,268,312.49 and 276,850.77 is: 415,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,438.01 : 1,268,312.49 = 276,850.77 : x
  2. Step 2: Convert to fraction form
    845,438.01/1,268,312.49 = 276,850.77/x
  3. Step 3: Cross multiply
    845,438.01x = 1,268,312.49 × 276,850.77
  4. Step 4: Simplify right side
    845,438.01x = 351,133,289,457.12
  5. Step 5: Solve for x
    x = 351,133,289,457.12/845,438.01
  6. Step 6: Final answer
    x = 415,327.07

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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.