Finding the Fourth Proportional to 870,173.70, 1,306,244.70 and 470,608.80
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Solution
The fourth proportional to 870,173.70, 1,306,244.70 and 470,608.80 is: 706,445.45
Step by Step Solution
- Step 1: Write the proportion equation
870,173.70 : 1,306,244.70 = 470,608.80 : x - Step 2: Convert to fraction form
870,173.70/1,306,244.70 = 470,608.80/x - Step 3: Cross multiply
870,173.70x = 1,306,244.70 × 470,608.80 - Step 4: Simplify right side
870,173.70x = 614,730,250,773.36 - Step 5: Solve for x
x = 614,730,250,773.36/870,173.70 - Step 6: Final answer
x = 706,445.45
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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.