Finding the Fourth Proportional to 863,969.16, 1,296,532.20 and 358,530.63
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Solution
The fourth proportional to 863,969.16, 1,296,532.20 and 358,530.63 is: 538,035.99
Step by Step Solution
- Step 1: Write the proportion equation
863,969.16 : 1,296,532.20 = 358,530.63 : x - Step 2: Convert to fraction form
863,969.16/1,296,532.20 = 358,530.63/x - Step 3: Cross multiply
863,969.16x = 1,296,532.20 × 358,530.63 - Step 4: Simplify right side
863,969.16x = 464,846,506,481.29 - Step 5: Solve for x
x = 464,846,506,481.29/863,969.16 - Step 6: Final answer
x = 538,035.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.