Finding the Fourth Proportional to 724,241.85, 1,086,621.98 and 303,646.65
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Solution
The fourth proportional to 724,241.85, 1,086,621.98 and 303,646.65 is: 455,578.65
Step by Step Solution
- Step 1: Write the proportion equation
724,241.85 : 1,086,621.98 = 303,646.65 : x - Step 2: Convert to fraction form
724,241.85/1,086,621.98 = 303,646.65/x - Step 3: Cross multiply
724,241.85x = 1,086,621.98 × 303,646.65 - Step 4: Simplify right side
724,241.85x = 329,949,122,525.13 - Step 5: Solve for x
x = 329,949,122,525.13/724,241.85 - Step 6: Final answer
x = 455,578.65
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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.