Finding the Fourth Proportional to 642,635.30, 958,207.63 and 624,979.42
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Solution
The fourth proportional to 642,635.30, 958,207.63 and 624,979.42 is: 931,881.65
Step by Step Solution
- Step 1: Write the proportion equation
642,635.30 : 958,207.63 = 624,979.42 : x - Step 2: Convert to fraction form
642,635.30/958,207.63 = 624,979.42/x - Step 3: Cross multiply
642,635.30x = 958,207.63 × 624,979.42 - Step 4: Simplify right side
642,635.30x = 598,860,045,712.08 - Step 5: Solve for x
x = 598,860,045,712.08/642,635.30 - Step 6: Final answer
x = 931,881.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.