Finding the Fourth Proportional to 466,836.36, 643,459.70 and 330,695.62
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Solution
The fourth proportional to 466,836.36, 643,459.70 and 330,695.62 is: 455,811.33
Step by Step Solution
- Step 1: Write the proportion equation
466,836.36 : 643,459.70 = 330,695.62 : x - Step 2: Convert to fraction form
466,836.36/643,459.70 = 330,695.62/x - Step 3: Cross multiply
466,836.36x = 643,459.70 × 330,695.62 - Step 4: Simplify right side
466,836.36x = 212,789,304,436.51 - Step 5: Solve for x
x = 212,789,304,436.51/466,836.36 - Step 6: Final answer
x = 455,811.33
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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.