Finding the Fourth Proportional to 768,781.05, 1,154,356.68 and 650,393.58
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Solution
The fourth proportional to 768,781.05, 1,154,356.68 and 650,393.58 is: 976,592.97
Step by Step Solution
- Step 1: Write the proportion equation
768,781.05 : 1,154,356.68 = 650,393.58 : x - Step 2: Convert to fraction form
768,781.05/1,154,356.68 = 650,393.58/x - Step 3: Cross multiply
768,781.05x = 1,154,356.68 × 650,393.58 - Step 4: Simplify right side
768,781.05x = 750,786,170,730.04 - Step 5: Solve for x
x = 750,786,170,730.04/768,781.05 - Step 6: Final answer
x = 976,592.97
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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.