Finding the Fourth Proportional to 739,157.69, 1,019,976.53 and 416,946.98
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Solution
The fourth proportional to 739,157.69, 1,019,976.53 and 416,946.98 is: 575,352.38
Step by Step Solution
- Step 1: Write the proportion equation
739,157.69 : 1,019,976.53 = 416,946.98 : x - Step 2: Convert to fraction form
739,157.69/1,019,976.53 = 416,946.98/x - Step 3: Cross multiply
739,157.69x = 1,019,976.53 × 416,946.98 - Step 4: Simplify right side
739,157.69x = 425,276,134,319.59 - Step 5: Solve for x
x = 425,276,134,319.59/739,157.69 - Step 6: Final answer
x = 575,352.38
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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.