Finding the Fourth Proportional to 745,597.68, 1,118,124.36 and 272,142.96
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Solution
The fourth proportional to 745,597.68, 1,118,124.36 and 272,142.96 is: 408,115.10
Step by Step Solution
- Step 1: Write the proportion equation
745,597.68 : 1,118,124.36 = 272,142.96 : x - Step 2: Convert to fraction form
745,597.68/1,118,124.36 = 272,142.96/x - Step 3: Cross multiply
745,597.68x = 1,118,124.36 × 272,142.96 - Step 4: Simplify right side
745,597.68x = 304,289,672,978.51 - Step 5: Solve for x
x = 304,289,672,978.51/745,597.68 - Step 6: Final answer
x = 408,115.10
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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.