Finding the Fourth Proportional to 529,825.98, 731,137.62 and 300,398.70
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Solution
The fourth proportional to 529,825.98, 731,137.62 and 300,398.70 is: 414,537.60
Step by Step Solution
- Step 1: Write the proportion equation
529,825.98 : 731,137.62 = 300,398.70 : x - Step 2: Convert to fraction form
529,825.98/731,137.62 = 300,398.70/x - Step 3: Cross multiply
529,825.98x = 731,137.62 × 300,398.70 - Step 4: Simplify right side
529,825.98x = 219,632,790,569.09 - Step 5: Solve for x
x = 219,632,790,569.09/529,825.98 - Step 6: Final answer
x = 414,537.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.