Finding the Fourth Proportional to 669,270.80, 1,004,683.80 and 403,331.60
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Solution
The fourth proportional to 669,270.80, 1,004,683.80 and 403,331.60 is: 605,466.02
Step by Step Solution
- Step 1: Write the proportion equation
669,270.80 : 1,004,683.80 = 403,331.60 : x - Step 2: Convert to fraction form
669,270.80/1,004,683.80 = 403,331.60/x - Step 3: Cross multiply
669,270.80x = 1,004,683.80 × 403,331.60 - Step 4: Simplify right side
669,270.80x = 405,220,724,548.08 - Step 5: Solve for x
x = 405,220,724,548.08/669,270.80 - Step 6: Final answer
x = 605,466.02
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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.