Finding the Fourth Proportional to 523,439.25, 722,327.97 and 319,830.99
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Solution
The fourth proportional to 523,439.25, 722,327.97 and 319,830.99 is: 441,355.65
Step by Step Solution
- Step 1: Write the proportion equation
523,439.25 : 722,327.97 = 319,830.99 : x - Step 2: Convert to fraction form
523,439.25/722,327.97 = 319,830.99/x - Step 3: Cross multiply
523,439.25x = 722,327.97 × 319,830.99 - Step 4: Simplify right side
523,439.25x = 231,022,869,749.79 - Step 5: Solve for x
x = 231,022,869,749.79/523,439.25 - Step 6: Final answer
x = 441,355.65
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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.