Finding the Fourth Proportional to 786,753.30, 1,179,840.58 and 281,177.63
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Solution
The fourth proportional to 786,753.30, 1,179,840.58 and 281,177.63 is: 421,663.02
Step by Step Solution
- Step 1: Write the proportion equation
786,753.30 : 1,179,840.58 = 281,177.63 : x - Step 2: Convert to fraction form
786,753.30/1,179,840.58 = 281,177.63/x - Step 3: Cross multiply
786,753.30x = 1,179,840.58 × 281,177.63 - Step 4: Simplify right side
786,753.30x = 331,744,771,460.08 - Step 5: Solve for x
x = 331,744,771,460.08/786,753.30 - Step 6: Final answer
x = 421,663.02
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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.