Finding the Fourth Proportional to 828,583.82, 1,143,602.72 and 518,630.18
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Solution
The fourth proportional to 828,583.82, 1,143,602.72 and 518,630.18 is: 715,807.95
Step by Step Solution
- Step 1: Write the proportion equation
828,583.82 : 1,143,602.72 = 518,630.18 : x - Step 2: Convert to fraction form
828,583.82/1,143,602.72 = 518,630.18/x - Step 3: Cross multiply
828,583.82x = 1,143,602.72 × 518,630.18 - Step 4: Simplify right side
828,583.82x = 593,106,884,522.09 - Step 5: Solve for x
x = 593,106,884,522.09/828,583.82 - Step 6: Final answer
x = 715,807.95
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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.