Finding the Fourth Proportional to 748,211.40, 1,122,098.40 and 268,383.60
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Solution
The fourth proportional to 748,211.40, 1,122,098.40 and 268,383.60 is: 402,496.95
Step by Step Solution
- Step 1: Write the proportion equation
748,211.40 : 1,122,098.40 = 268,383.60 : x - Step 2: Convert to fraction form
748,211.40/1,122,098.40 = 268,383.60/x - Step 3: Cross multiply
748,211.40x = 1,122,098.40 × 268,383.60 - Step 4: Simplify right side
748,211.40x = 301,152,808,146.24 - Step 5: Solve for x
x = 301,152,808,146.24/748,211.40 - Step 6: Final answer
x = 402,496.95
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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.