Finding the Fourth Proportional to 523,616.58, 722,571.93 and 320,008.08
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Solution
The fourth proportional to 523,616.58, 722,571.93 and 320,008.08 is: 441,599.57
Step by Step Solution
- Step 1: Write the proportion equation
523,616.58 : 722,571.93 = 320,008.08 : x - Step 2: Convert to fraction form
523,616.58/722,571.93 = 320,008.08/x - Step 3: Cross multiply
523,616.58x = 722,571.93 × 320,008.08 - Step 4: Simplify right side
523,616.58x = 231,228,855,981.19 - Step 5: Solve for x
x = 231,228,855,981.19/523,616.58 - Step 6: Final answer
x = 441,599.57
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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.