Home / 845,451.14-1,267,808.07-319,770.50

Finding the Fourth Proportional to 845,451.14, 1,267,808.07 and 319,770.50

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Solution

The fourth proportional to 845,451.14, 1,267,808.07 and 319,770.50 is: 479,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,451.14 : 1,267,808.07 = 319,770.50 : x
  2. Step 2: Convert to fraction form
    845,451.14/1,267,808.07 = 319,770.50/x
  3. Step 3: Cross multiply
    845,451.14x = 1,267,808.07 × 319,770.50
  4. Step 4: Simplify right side
    845,451.14x = 405,407,620,447.94
  5. Step 5: Solve for x
    x = 405,407,620,447.94/845,451.14
  6. Step 6: Final answer
    x = 479,516.32

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Double scale
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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.