Finding the Fourth Proportional to 739,730.80, 1,108,615.24 and 379,887.09
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Solution
The fourth proportional to 739,730.80, 1,108,615.24 and 379,887.09 is: 569,326.87
Step by Step Solution
- Step 1: Write the proportion equation
739,730.80 : 1,108,615.24 = 379,887.09 : x - Step 2: Convert to fraction form
739,730.80/1,108,615.24 = 379,887.09/x - Step 3: Cross multiply
739,730.80x = 1,108,615.24 × 379,887.09 - Step 4: Simplify right side
739,730.80x = 421,148,616,888.78 - Step 5: Solve for x
x = 421,148,616,888.78/739,730.80 - Step 6: Final answer
x = 569,326.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.