Finding the Fourth Proportional to 658,074.26, 986,683.70 and 258,753.98
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Solution
The fourth proportional to 658,074.26, 986,683.70 and 258,753.98 is: 387,962.80
Step by Step Solution
- Step 1: Write the proportion equation
658,074.26 : 986,683.70 = 258,753.98 : x - Step 2: Convert to fraction form
658,074.26/986,683.70 = 258,753.98/x - Step 3: Cross multiply
658,074.26x = 986,683.70 × 258,753.98 - Step 4: Simplify right side
658,074.26x = 255,308,334,376.13 - Step 5: Solve for x
x = 255,308,334,376.13/658,074.26 - Step 6: Final answer
x = 387,962.80
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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.