Finding the Fourth Proportional to 661,226.05, 912,591.69 and 403,252.66
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Solution
The fourth proportional to 661,226.05, 912,591.69 and 403,252.66 is: 556,549.50
Step by Step Solution
- Step 1: Write the proportion equation
661,226.05 : 912,591.69 = 403,252.66 : x - Step 2: Convert to fraction form
661,226.05/912,591.69 = 403,252.66/x - Step 3: Cross multiply
661,226.05x = 912,591.69 × 403,252.66 - Step 4: Simplify right side
661,226.05x = 368,005,025,717.11 - Step 5: Solve for x
x = 368,005,025,717.11/661,226.05 - Step 6: Final answer
x = 556,549.50
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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.