Finding the Fourth Proportional to 497,320.94, 686,304.42 and 282,462.78
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Solution
The fourth proportional to 497,320.94, 686,304.42 and 282,462.78 is: 389,799.50
Step by Step Solution
- Step 1: Write the proportion equation
497,320.94 : 686,304.42 = 282,462.78 : x - Step 2: Convert to fraction form
497,320.94/686,304.42 = 282,462.78/x - Step 3: Cross multiply
497,320.94x = 686,304.42 × 282,462.78 - Step 4: Simplify right side
497,320.94x = 193,855,454,399.49 - Step 5: Solve for x
x = 193,855,454,399.49/497,320.94 - Step 6: Final answer
x = 389,799.50
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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.