Finding the Fourth Proportional to 737,774.55, 1,018,147.86 and 415,495.80
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Solution
The fourth proportional to 737,774.55, 1,018,147.86 and 415,495.80 is: 573,394.89
Step by Step Solution
- Step 1: Write the proportion equation
737,774.55 : 1,018,147.86 = 415,495.80 : x - Step 2: Convert to fraction form
737,774.55/1,018,147.86 = 415,495.80/x - Step 3: Cross multiply
737,774.55x = 1,018,147.86 × 415,495.80 - Step 4: Simplify right side
737,774.55x = 423,036,159,608.99 - Step 5: Solve for x
x = 423,036,159,608.99/737,774.55 - Step 6: Final answer
x = 573,394.89
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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.