Finding the Fourth Proportional to 713,674.44, 984,779.98 and 407,770.62
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Solution
The fourth proportional to 713,674.44, 984,779.98 and 407,770.62 is: 562,671.61
Step by Step Solution
- Step 1: Write the proportion equation
713,674.44 : 984,779.98 = 407,770.62 : x - Step 2: Convert to fraction form
713,674.44/984,779.98 = 407,770.62/x - Step 3: Cross multiply
713,674.44x = 984,779.98 × 407,770.62 - Step 4: Simplify right side
713,674.44x = 401,564,343,835.22 - Step 5: Solve for x
x = 401,564,343,835.22/713,674.44 - Step 6: Final answer
x = 562,671.61
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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.