Finding the Fourth Proportional to 910,747.12, 1,365,809.64 and 573,579.76
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Solution
The fourth proportional to 910,747.12, 1,365,809.64 and 573,579.76 is: 860,173.75
Step by Step Solution
- Step 1: Write the proportion equation
910,747.12 : 1,365,809.64 = 573,579.76 : x - Step 2: Convert to fraction form
910,747.12/1,365,809.64 = 573,579.76/x - Step 3: Cross multiply
910,747.12x = 1,365,809.64 × 573,579.76 - Step 4: Simplify right side
910,747.12x = 783,400,765,516.89 - Step 5: Solve for x
x = 783,400,765,516.89/910,747.12 - Step 6: Final answer
x = 860,173.75
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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.