Finding the Fourth Proportional to 979,531.08, 1,351,707.39 and 543,976.08
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Solution
The fourth proportional to 979,531.08, 1,351,707.39 and 543,976.08 is: 750,661.72
Step by Step Solution
- Step 1: Write the proportion equation
979,531.08 : 1,351,707.39 = 543,976.08 : x - Step 2: Convert to fraction form
979,531.08/1,351,707.39 = 543,976.08/x - Step 3: Cross multiply
979,531.08x = 1,351,707.39 × 543,976.08 - Step 4: Simplify right side
979,531.08x = 735,296,487,319.23 - Step 5: Solve for x
x = 735,296,487,319.23/979,531.08 - Step 6: Final answer
x = 750,661.72
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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.