Finding the Fourth Proportional to 629,294.12, 868,418.04 and 342,808.05
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Solution
The fourth proportional to 629,294.12, 868,418.04 and 342,808.05 is: 473,070.84
Step by Step Solution
- Step 1: Write the proportion equation
629,294.12 : 868,418.04 = 342,808.05 : x - Step 2: Convert to fraction form
629,294.12/868,418.04 = 342,808.05/x - Step 3: Cross multiply
629,294.12x = 868,418.04 × 342,808.05 - Step 4: Simplify right side
629,294.12x = 297,700,694,877.22 - Step 5: Solve for x
x = 297,700,694,877.22/629,294.12 - Step 6: Final answer
x = 473,070.84
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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.