Finding the Fourth Proportional to 995,935.50, 1,374,390.99 and 543,226.50
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Solution
The fourth proportional to 995,935.50, 1,374,390.99 and 543,226.50 is: 749,652.57
Step by Step Solution
- Step 1: Write the proportion equation
995,935.50 : 1,374,390.99 = 543,226.50 : x - Step 2: Convert to fraction form
995,935.50/1,374,390.99 = 543,226.50/x - Step 3: Cross multiply
995,935.50x = 1,374,390.99 × 543,226.50 - Step 4: Simplify right side
995,935.50x = 746,605,607,129.24 - Step 5: Solve for x
x = 746,605,607,129.24/995,935.50 - Step 6: Final answer
x = 749,652.57
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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.