Finding the Fourth Proportional to 995,577.80, 1,493,366.70 and 321,657.80
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Solution
The fourth proportional to 995,577.80, 1,493,366.70 and 321,657.80 is: 482,486.70
Step by Step Solution
- Step 1: Write the proportion equation
995,577.80 : 1,493,366.70 = 321,657.80 : x - Step 2: Convert to fraction form
995,577.80/1,493,366.70 = 321,657.80/x - Step 3: Cross multiply
995,577.80x = 1,493,366.70 × 321,657.80 - Step 4: Simplify right side
995,577.80x = 480,353,047,315.26 - Step 5: Solve for x
x = 480,353,047,315.26/995,577.80 - Step 6: Final answer
x = 482,486.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.