Finding the Fourth Proportional to 820,740.09, 1,231,048.63 and 288,265.74
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Solution
The fourth proportional to 820,740.09, 1,231,048.63 and 288,265.74 is: 432,377.00
Step by Step Solution
- Step 1: Write the proportion equation
820,740.09 : 1,231,048.63 = 288,265.74 : x - Step 2: Convert to fraction form
820,740.09/1,231,048.63 = 288,265.74/x - Step 3: Cross multiply
820,740.09x = 1,231,048.63 × 288,265.74 - Step 4: Simplify right side
820,740.09x = 354,869,140,046.84 - Step 5: Solve for x
x = 354,869,140,046.84/820,740.09 - Step 6: Final answer
x = 432,377.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.