Finding the Fourth Proportional to 591,281.76, 815,948.64 and 336,583.68
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Solution
The fourth proportional to 591,281.76, 815,948.64 and 336,583.68 is: 464,473.99
Step by Step Solution
- Step 1: Write the proportion equation
591,281.76 : 815,948.64 = 336,583.68 : x - Step 2: Convert to fraction form
591,281.76/815,948.64 = 336,583.68/x - Step 3: Cross multiply
591,281.76x = 815,948.64 × 336,583.68 - Step 4: Simplify right side
591,281.76x = 274,634,995,942.20 - Step 5: Solve for x
x = 274,634,995,942.20/591,281.76 - Step 6: Final answer
x = 464,473.99
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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.