Home / 845,501.86-1,268,251.11-214,418.98

Finding the Fourth Proportional to 845,501.86, 1,268,251.11 and 214,418.98

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Solution

The fourth proportional to 845,501.86, 1,268,251.11 and 214,418.98 is: 321,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,501.86 : 1,268,251.11 = 214,418.98 : x
  2. Step 2: Convert to fraction form
    845,501.86/1,268,251.11 = 214,418.98/x
  3. Step 3: Cross multiply
    845,501.86x = 1,268,251.11 × 214,418.98
  4. Step 4: Simplify right side
    845,501.86x = 271,937,109,390.07
  5. Step 5: Solve for x
    x = 271,937,109,390.07/845,501.86
  6. Step 6: Final answer
    x = 321,628.04

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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.