Finding the Fourth Proportional to 523,611.57, 722,586.86 and 294,178.53
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Solution
The fourth proportional to 523,611.57, 722,586.86 and 294,178.53 is: 405,968.00
Step by Step Solution
- Step 1: Write the proportion equation
523,611.57 : 722,586.86 = 294,178.53 : x - Step 2: Convert to fraction form
523,611.57/722,586.86 = 294,178.53/x - Step 3: Cross multiply
523,611.57x = 722,586.86 × 294,178.53 - Step 4: Simplify right side
523,611.57x = 212,569,540,272.12 - Step 5: Solve for x
x = 212,569,540,272.12/523,611.57 - Step 6: Final answer
x = 405,968.00
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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.