Finding the Fourth Proportional to 882,795.60, 1,322,421.12 and 747,279.36
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Solution
The fourth proportional to 882,795.60, 1,322,421.12 and 747,279.36 is: 1,119,418.82
Step by Step Solution
- Step 1: Write the proportion equation
882,795.60 : 1,322,421.12 = 747,279.36 : x - Step 2: Convert to fraction form
882,795.60/1,322,421.12 = 747,279.36/x - Step 3: Cross multiply
882,795.60x = 1,322,421.12 × 747,279.36 - Step 4: Simplify right side
882,795.60x = 988,218,008,204.08 - Step 5: Solve for x
x = 988,218,008,204.08/882,795.60 - Step 6: Final answer
x = 1,119,418.82
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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.