Finding the Fourth Proportional to 807,245.76, 1,112,835.36 and 564,777.12
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Solution
The fourth proportional to 807,245.76, 1,112,835.36 and 564,777.12 is: 778,578.20
Step by Step Solution
- Step 1: Write the proportion equation
807,245.76 : 1,112,835.36 = 564,777.12 : x - Step 2: Convert to fraction form
807,245.76/1,112,835.36 = 564,777.12/x - Step 3: Cross multiply
807,245.76x = 1,112,835.36 × 564,777.12 - Step 4: Simplify right side
807,245.76x = 628,503,949,654.96 - Step 5: Solve for x
x = 628,503,949,654.96/807,245.76 - Step 6: Final answer
x = 778,578.20
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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.