Finding the Fourth Proportional to 868,225.77, 1,302,782.76 and 413,330.99
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Solution
The fourth proportional to 868,225.77, 1,302,782.76 and 413,330.99 is: 620,207.90
Step by Step Solution
- Step 1: Write the proportion equation
868,225.77 : 1,302,782.76 = 413,330.99 : x - Step 2: Convert to fraction form
868,225.77/1,302,782.76 = 413,330.99/x - Step 3: Cross multiply
868,225.77x = 1,302,782.76 × 413,330.99 - Step 4: Simplify right side
868,225.77x = 538,480,481,431.82 - Step 5: Solve for x
x = 538,480,481,431.82/868,225.77 - Step 6: Final answer
x = 620,207.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.