Finding the Fourth Proportional to 492,718.86, 679,901.04 and 363,725.82
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Solution
The fourth proportional to 492,718.86, 679,901.04 and 363,725.82 is: 501,903.99
Step by Step Solution
- Step 1: Write the proportion equation
492,718.86 : 679,901.04 = 363,725.82 : x - Step 2: Convert to fraction form
492,718.86/679,901.04 = 363,725.82/x - Step 3: Cross multiply
492,718.86x = 679,901.04 × 363,725.82 - Step 4: Simplify right side
492,718.86x = 247,297,563,292.85 - Step 5: Solve for x
x = 247,297,563,292.85/492,718.86 - Step 6: Final answer
x = 501,903.99
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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.