Finding the Fourth Proportional to 512,117.63, 706,722.39 and 282,674.99
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Solution
The fourth proportional to 512,117.63, 706,722.39 and 282,674.99 is: 390,091.52
Step by Step Solution
- Step 1: Write the proportion equation
512,117.63 : 706,722.39 = 282,674.99 : x - Step 2: Convert to fraction form
512,117.63/706,722.39 = 282,674.99/x - Step 3: Cross multiply
512,117.63x = 706,722.39 × 282,674.99 - Step 4: Simplify right side
512,117.63x = 199,772,740,992.41 - Step 5: Solve for x
x = 199,772,740,992.41/512,117.63 - Step 6: Final answer
x = 390,091.52
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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.