Finding the Fourth Proportional to 867,929.30, 1,197,128.12 and 746,861.84
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Solution
The fourth proportional to 867,929.30, 1,197,128.12 and 746,861.84 is: 1,030,140.72
Step by Step Solution
- Step 1: Write the proportion equation
867,929.30 : 1,197,128.12 = 746,861.84 : x - Step 2: Convert to fraction form
867,929.30/1,197,128.12 = 746,861.84/x - Step 3: Cross multiply
867,929.30x = 1,197,128.12 × 746,861.84 - Step 4: Simplify right side
867,929.30x = 894,089,310,418.94 - Step 5: Solve for x
x = 894,089,310,418.94/867,929.30 - Step 6: Final answer
x = 1,030,140.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.