Finding the Fourth Proportional to 995,929.32, 1,374,331.14 and 543,132.84
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Solution
The fourth proportional to 995,929.32, 1,374,331.14 and 543,132.84 is: 749,495.33
Step by Step Solution
- Step 1: Write the proportion equation
995,929.32 : 1,374,331.14 = 543,132.84 : x - Step 2: Convert to fraction form
995,929.32/1,374,331.14 = 543,132.84/x - Step 3: Cross multiply
995,929.32x = 1,374,331.14 × 543,132.84 - Step 4: Simplify right side
995,929.32x = 746,444,375,168.64 - Step 5: Solve for x
x = 746,444,375,168.64/995,929.32 - Step 6: Final answer
x = 749,495.33
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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.