Finding the Fourth Proportional to 892,249.79, 1,231,326.50 and 484,350.53
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Solution
The fourth proportional to 892,249.79, 1,231,326.50 and 484,350.53 is: 668,415.55
Step by Step Solution
- Step 1: Write the proportion equation
892,249.79 : 1,231,326.50 = 484,350.53 : x - Step 2: Convert to fraction form
892,249.79/1,231,326.50 = 484,350.53/x - Step 3: Cross multiply
892,249.79x = 1,231,326.50 × 484,350.53 - Step 4: Simplify right side
892,249.79x = 596,393,634,299.66 - Step 5: Solve for x
x = 596,393,634,299.66/892,249.79 - Step 6: Final answer
x = 668,415.55
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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.