Finding the Fourth Proportional to 579,318.68, 799,309.68 and 349,694.48
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Solution
The fourth proportional to 579,318.68, 799,309.68 and 349,694.48 is: 482,487.78
Step by Step Solution
- Step 1: Write the proportion equation
579,318.68 : 799,309.68 = 349,694.48 : x - Step 2: Convert to fraction form
579,318.68/799,309.68 = 349,694.48/x - Step 3: Cross multiply
579,318.68x = 799,309.68 × 349,694.48 - Step 4: Simplify right side
579,318.68x = 279,514,182,906.57 - Step 5: Solve for x
x = 279,514,182,906.57/579,318.68 - Step 6: Final answer
x = 482,487.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.