Finding the Fourth Proportional to 591,078.44, 815,719.74 and 336,511.64
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Solution
The fourth proportional to 591,078.44, 815,719.74 and 336,511.64 is: 464,403.99
Step by Step Solution
- Step 1: Write the proportion equation
591,078.44 : 815,719.74 = 336,511.64 : x - Step 2: Convert to fraction form
591,078.44/815,719.74 = 336,511.64/x - Step 3: Cross multiply
591,078.44x = 815,719.74 × 336,511.64 - Step 4: Simplify right side
591,078.44x = 274,499,187,487.77 - Step 5: Solve for x
x = 274,499,187,487.77/591,078.44 - Step 6: Final answer
x = 464,403.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.