Finding the Fourth Proportional to 676,628.27, 933,517.11 and 386,031.08
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Solution
The fourth proportional to 676,628.27, 933,517.11 and 386,031.08 is: 532,591.72
Step by Step Solution
- Step 1: Write the proportion equation
676,628.27 : 933,517.11 = 386,031.08 : x - Step 2: Convert to fraction form
676,628.27/933,517.11 = 386,031.08/x - Step 3: Cross multiply
676,628.27x = 933,517.11 × 386,031.08 - Step 4: Simplify right side
676,628.27x = 360,366,613,504.19 - Step 5: Solve for x
x = 360,366,613,504.19/676,628.27 - Step 6: Final answer
x = 532,591.72
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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.