Finding the Fourth Proportional to 995,811.08, 1,374,204.30 and 543,102.08
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Solution
The fourth proportional to 995,811.08, 1,374,204.30 and 543,102.08 is: 749,472.69
Step by Step Solution
- Step 1: Write the proportion equation
995,811.08 : 1,374,204.30 = 543,102.08 : x - Step 2: Convert to fraction form
995,811.08/1,374,204.30 = 543,102.08/x - Step 3: Cross multiply
995,811.08x = 1,374,204.30 × 543,102.08 - Step 4: Simplify right side
995,811.08x = 746,333,213,674.94 - Step 5: Solve for x
x = 746,333,213,674.94/995,811.08 - Step 6: Final answer
x = 749,472.69
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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.