Finding the Fourth Proportional to 782,656.93, 1,173,505.62 and 333,121.82
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Solution
The fourth proportional to 782,656.93, 1,173,505.62 and 333,121.82 is: 499,478.52
Step by Step Solution
- Step 1: Write the proportion equation
782,656.93 : 1,173,505.62 = 333,121.82 : x - Step 2: Convert to fraction form
782,656.93/1,173,505.62 = 333,121.82/x - Step 3: Cross multiply
782,656.93x = 1,173,505.62 × 333,121.82 - Step 4: Simplify right side
782,656.93x = 390,920,323,296.31 - Step 5: Solve for x
x = 390,920,323,296.31/782,656.93 - Step 6: Final answer
x = 499,478.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.