Finding the Fourth Proportional to 497,735.27, 686,932.98 and 282,907.62
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Solution
The fourth proportional to 497,735.27, 686,932.98 and 282,907.62 is: 390,445.66
Step by Step Solution
- Step 1: Write the proportion equation
497,735.27 : 686,932.98 = 282,907.62 : x - Step 2: Convert to fraction form
497,735.27/686,932.98 = 282,907.62/x - Step 3: Cross multiply
497,735.27x = 686,932.98 × 282,907.62 - Step 4: Simplify right side
497,735.27x = 194,338,574,471.31 - Step 5: Solve for x
x = 194,338,574,471.31/497,735.27 - Step 6: Final answer
x = 390,445.66
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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.