Finding the Fourth Proportional to 497,364.09, 686,435.13 and 279,590.70
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Solution
The fourth proportional to 497,364.09, 686,435.13 and 279,590.70 is: 385,876.03
Step by Step Solution
- Step 1: Write the proportion equation
497,364.09 : 686,435.13 = 279,590.70 : x - Step 2: Convert to fraction form
497,364.09/686,435.13 = 279,590.70/x - Step 3: Cross multiply
497,364.09x = 686,435.13 × 279,590.70 - Step 4: Simplify right side
497,364.09x = 191,920,880,118.94 - Step 5: Solve for x
x = 191,920,880,118.94/497,364.09 - Step 6: Final answer
x = 385,876.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.