Finding the Fourth Proportional to 918,818.02, 1,267,782.13 and 536,770.99
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Solution
The fourth proportional to 918,818.02, 1,267,782.13 and 536,770.99 is: 740,634.87
Step by Step Solution
- Step 1: Write the proportion equation
918,818.02 : 1,267,782.13 = 536,770.99 : x - Step 2: Convert to fraction form
918,818.02/1,267,782.13 = 536,770.99/x - Step 3: Cross multiply
918,818.02x = 1,267,782.13 × 536,770.99 - Step 4: Simplify right side
918,818.02x = 680,508,664,513.03 - Step 5: Solve for x
x = 680,508,664,513.03/918,818.02 - Step 6: Final answer
x = 740,634.87
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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.