Finding the Fourth Proportional to 770,491.11, 1,063,219.99 and 430,893.75
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Solution
The fourth proportional to 770,491.11, 1,063,219.99 and 430,893.75 is: 594,601.08
Step by Step Solution
- Step 1: Write the proportion equation
770,491.11 : 1,063,219.99 = 430,893.75 : x - Step 2: Convert to fraction form
770,491.11/1,063,219.99 = 430,893.75/x - Step 3: Cross multiply
770,491.11x = 1,063,219.99 × 430,893.75 - Step 4: Simplify right side
770,491.11x = 458,134,848,566.06 - Step 5: Solve for x
x = 458,134,848,566.06/770,491.11 - Step 6: Final answer
x = 594,601.08
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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.