Finding the Fourth Proportional to 614,840.18, 921,992.43 and 326,588.75
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Solution
The fourth proportional to 614,840.18, 921,992.43 and 326,588.75 is: 489,740.84
Step by Step Solution
- Step 1: Write the proportion equation
614,840.18 : 921,992.43 = 326,588.75 : x - Step 2: Convert to fraction form
614,840.18/921,992.43 = 326,588.75/x - Step 3: Cross multiply
614,840.18x = 921,992.43 × 326,588.75 - Step 4: Simplify right side
614,840.18x = 301,112,350,000.85 - Step 5: Solve for x
x = 301,112,350,000.85/614,840.18 - Step 6: Final answer
x = 489,740.84
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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.