Finding the Fourth Proportional to 460,575.11, 635,857.36 and 307,871.92
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Solution
The fourth proportional to 460,575.11, 635,857.36 and 307,871.92 is: 425,039.52
Step by Step Solution
- Step 1: Write the proportion equation
460,575.11 : 635,857.36 = 307,871.92 : x - Step 2: Convert to fraction form
460,575.11/635,857.36 = 307,871.92/x - Step 3: Cross multiply
460,575.11x = 635,857.36 × 307,871.92 - Step 4: Simplify right side
460,575.11x = 195,762,626,294.47 - Step 5: Solve for x
x = 195,762,626,294.47/460,575.11 - Step 6: Final answer
x = 425,039.52
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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.