Finding the Fourth Proportional to 612,845.58, 845,494.74 and 380,164.98
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Solution
The fourth proportional to 612,845.58, 845,494.74 and 380,164.98 is: 524,483.66
Step by Step Solution
- Step 1: Write the proportion equation
612,845.58 : 845,494.74 = 380,164.98 : x - Step 2: Convert to fraction form
612,845.58/845,494.74 = 380,164.98/x - Step 3: Cross multiply
612,845.58x = 845,494.74 × 380,164.98 - Step 4: Simplify right side
612,845.58x = 321,427,490,922.21 - Step 5: Solve for x
x = 321,427,490,922.21/612,845.58 - Step 6: Final answer
x = 524,483.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.