Finding the Fourth Proportional to 497,476.22, 686,519.51 and 282,628.08
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Solution
The fourth proportional to 497,476.22, 686,519.51 and 282,628.08 is: 390,028.07
Step by Step Solution
- Step 1: Write the proportion equation
497,476.22 : 686,519.51 = 282,628.08 : x - Step 2: Convert to fraction form
497,476.22/686,519.51 = 282,628.08/x - Step 3: Cross multiply
497,476.22x = 686,519.51 × 282,628.08 - Step 4: Simplify right side
497,476.22x = 194,029,690,993.84 - Step 5: Solve for x
x = 194,029,690,993.84/497,476.22 - Step 6: Final answer
x = 390,028.07
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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.