Finding the Fourth Proportional to 540,583.72, 745,881.82 and 322,750.09
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Solution
The fourth proportional to 540,583.72, 745,881.82 and 322,750.09 is: 445,321.26
Step by Step Solution
- Step 1: Write the proportion equation
540,583.72 : 745,881.82 = 322,750.09 : x - Step 2: Convert to fraction form
540,583.72/745,881.82 = 322,750.09/x - Step 3: Cross multiply
540,583.72x = 745,881.82 × 322,750.09 - Step 4: Simplify right side
540,583.72x = 240,733,426,757.63 - Step 5: Solve for x
x = 240,733,426,757.63/540,583.72 - Step 6: Final answer
x = 445,321.26
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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.