Finding the Fourth Proportional to 828,629.90, 1,143,497.97 and 466,053.62
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Solution
The fourth proportional to 828,629.90, 1,143,497.97 and 466,053.62 is: 643,147.64
Step by Step Solution
- Step 1: Write the proportion equation
828,629.90 : 1,143,497.97 = 466,053.62 : x - Step 2: Convert to fraction form
828,629.90/1,143,497.97 = 466,053.62/x - Step 3: Cross multiply
828,629.90x = 1,143,497.97 × 466,053.62 - Step 4: Simplify right side
828,629.90x = 532,931,362,663.66 - Step 5: Solve for x
x = 532,931,362,663.66/828,629.90 - Step 6: Final answer
x = 643,147.64
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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.