Finding the Fourth Proportional to 724,287.68, 999,497.76 and 401,989.44
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Solution
The fourth proportional to 724,287.68, 999,497.76 and 401,989.44 is: 554,734.75
Step by Step Solution
- Step 1: Write the proportion equation
724,287.68 : 999,497.76 = 401,989.44 : x - Step 2: Convert to fraction form
724,287.68/999,497.76 = 401,989.44/x - Step 3: Cross multiply
724,287.68x = 999,497.76 × 401,989.44 - Step 4: Simplify right side
724,287.68x = 401,787,544,823.65 - Step 5: Solve for x
x = 401,787,544,823.65/724,287.68 - Step 6: Final answer
x = 554,734.75
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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.