Finding the Fourth Proportional to 521,348.68, 719,460.84 and 282,884.68
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Solution
The fourth proportional to 521,348.68, 719,460.84 and 282,884.68 is: 390,380.67
Step by Step Solution
- Step 1: Write the proportion equation
521,348.68 : 719,460.84 = 282,884.68 : x - Step 2: Convert to fraction form
521,348.68/719,460.84 = 282,884.68/x - Step 3: Cross multiply
521,348.68x = 719,460.84 × 282,884.68 - Step 4: Simplify right side
521,348.68x = 203,524,449,495.93 - Step 5: Solve for x
x = 203,524,449,495.93/521,348.68 - Step 6: Final answer
x = 390,380.67
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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.