Finding the Fourth Proportional to 828,566.73, 1,143,250.64 and 484,336.13
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Solution
The fourth proportional to 828,566.73, 1,143,250.64 and 484,336.13 is: 668,283.63
Step by Step Solution
- Step 1: Write the proportion equation
828,566.73 : 1,143,250.64 = 484,336.13 : x - Step 2: Convert to fraction form
828,566.73/1,143,250.64 = 484,336.13/x - Step 3: Cross multiply
828,566.73x = 1,143,250.64 × 484,336.13 - Step 4: Simplify right side
828,566.73x = 553,717,586,092.21 - Step 5: Solve for x
x = 553,717,586,092.21/828,566.73 - Step 6: Final answer
x = 668,283.63
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1.5x scale
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.