Finding the Fourth Proportional to 663,252.73, 915,028.93 and 408,161.05
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Solution
The fourth proportional to 663,252.73, 915,028.93 and 408,161.05 is: 563,102.35
Step by Step Solution
- Step 1: Write the proportion equation
663,252.73 : 915,028.93 = 408,161.05 : x - Step 2: Convert to fraction form
663,252.73/915,028.93 = 408,161.05/x - Step 3: Cross multiply
663,252.73x = 915,028.93 × 408,161.05 - Step 4: Simplify right side
663,252.73x = 373,479,168,849.18 - Step 5: Solve for x
x = 373,479,168,849.18/663,252.73 - Step 6: Final answer
x = 563,102.35
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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.