Finding the Fourth Proportional to 576,355.68, 864,838.08 and 408,957.84
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Solution
The fourth proportional to 576,355.68, 864,838.08 and 408,957.84 is: 613,652.86
Step by Step Solution
- Step 1: Write the proportion equation
576,355.68 : 864,838.08 = 408,957.84 : x - Step 2: Convert to fraction form
576,355.68/864,838.08 = 408,957.84/x - Step 3: Cross multiply
576,355.68x = 864,838.08 × 408,957.84 - Step 4: Simplify right side
576,355.68x = 353,682,313,146.55 - Step 5: Solve for x
x = 353,682,313,146.55/576,355.68 - Step 6: Final answer
x = 613,652.86
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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.