Finding the Fourth Proportional to 995,455.80, 1,493,669.70 and 462,702.60
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Solution
The fourth proportional to 995,455.80, 1,493,669.70 and 462,702.60 is: 694,279.80
Step by Step Solution
- Step 1: Write the proportion equation
995,455.80 : 1,493,669.70 = 462,702.60 : x - Step 2: Convert to fraction form
995,455.80/1,493,669.70 = 462,702.60/x - Step 3: Cross multiply
995,455.80x = 1,493,669.70 × 462,702.60 - Step 4: Simplify right side
995,455.80x = 691,124,853,731.22 - Step 5: Solve for x
x = 691,124,853,731.22/995,455.80 - Step 6: Final answer
x = 694,279.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.