Finding the Fourth Proportional to 984,493.80, 1,476,949.68 and 310,769.82
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Solution
The fourth proportional to 984,493.80, 1,476,949.68 and 310,769.82 is: 466,220.70
Step by Step Solution
- Step 1: Write the proportion equation
984,493.80 : 1,476,949.68 = 310,769.82 : x - Step 2: Convert to fraction form
984,493.80/1,476,949.68 = 310,769.82/x - Step 3: Cross multiply
984,493.80x = 1,476,949.68 × 310,769.82 - Step 4: Simplify right side
984,493.80x = 458,991,386,202.66 - Step 5: Solve for x
x = 458,991,386,202.66/984,493.80 - Step 6: Final answer
x = 466,220.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.