Finding the Fourth Proportional to 441,944.70, 609,623.19 and 312,737.82
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Solution
The fourth proportional to 441,944.70, 609,623.19 and 312,737.82 is: 431,393.85
Step by Step Solution
- Step 1: Write the proportion equation
441,944.70 : 609,623.19 = 312,737.82 : x - Step 2: Convert to fraction form
441,944.70/609,623.19 = 312,737.82/x - Step 3: Cross multiply
441,944.70x = 609,623.19 × 312,737.82 - Step 4: Simplify right side
441,944.70x = 190,652,227,462.05 - Step 5: Solve for x
x = 190,652,227,462.05/441,944.70 - Step 6: Final answer
x = 431,393.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.