Finding the Fourth Proportional to 484,363.80, 724,817.70 and 306,955.80
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Solution
The fourth proportional to 484,363.80, 724,817.70 and 306,955.80 is: 459,338.61
Step by Step Solution
- Step 1: Write the proportion equation
484,363.80 : 724,817.70 = 306,955.80 : x - Step 2: Convert to fraction form
484,363.80/724,817.70 = 306,955.80/x - Step 3: Cross multiply
484,363.80x = 724,817.70 × 306,955.80 - Step 4: Simplify right side
484,363.80x = 222,486,996,957.66 - Step 5: Solve for x
x = 222,486,996,957.66/484,363.80 - Step 6: Final answer
x = 459,338.61
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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.