Finding the Fourth Proportional to 576,261.09, 863,691.81 and 407,830.65
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Solution
The fourth proportional to 576,261.09, 863,691.81 and 407,830.65 is: 611,250.70
Step by Step Solution
- Step 1: Write the proportion equation
576,261.09 : 863,691.81 = 407,830.65 : x - Step 2: Convert to fraction form
576,261.09/863,691.81 = 407,830.65/x - Step 3: Cross multiply
576,261.09x = 863,691.81 × 407,830.65 - Step 4: Simplify right side
576,261.09x = 352,239,992,271.98 - Step 5: Solve for x
x = 352,239,992,271.98/576,261.09 - Step 6: Final answer
x = 611,250.70
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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.