Finding the Fourth Proportional to 776,524.08, 1,071,592.98 and 449,881.62
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Solution
The fourth proportional to 776,524.08, 1,071,592.98 and 449,881.62 is: 620,830.70
Step by Step Solution
- Step 1: Write the proportion equation
776,524.08 : 1,071,592.98 = 449,881.62 : x - Step 2: Convert to fraction form
776,524.08/1,071,592.98 = 449,881.62/x - Step 3: Cross multiply
776,524.08x = 1,071,592.98 × 449,881.62 - Step 4: Simplify right side
776,524.08x = 482,089,987,510.08 - Step 5: Solve for x
x = 482,089,987,510.08/776,524.08 - Step 6: Final answer
x = 620,830.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.