Finding the Fourth Proportional to 834,244.92, 1,151,316.99 and 471,672.30
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Solution
The fourth proportional to 834,244.92, 1,151,316.99 and 471,672.30 is: 650,941.13
Step by Step Solution
- Step 1: Write the proportion equation
834,244.92 : 1,151,316.99 = 471,672.30 : x - Step 2: Convert to fraction form
834,244.92/1,151,316.99 = 471,672.30/x - Step 3: Cross multiply
834,244.92x = 1,151,316.99 × 471,672.30 - Step 4: Simplify right side
834,244.92x = 543,044,332,702.38 - Step 5: Solve for x
x = 543,044,332,702.38/834,244.92 - Step 6: Final answer
x = 650,941.13
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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.