Finding the Fourth Proportional to 629,380.58, 868,545.26 and 342,900.62
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Solution
The fourth proportional to 629,380.58, 868,545.26 and 342,900.62 is: 473,202.89
Step by Step Solution
- Step 1: Write the proportion equation
629,380.58 : 868,545.26 = 342,900.62 : x - Step 2: Convert to fraction form
629,380.58/868,545.26 = 342,900.62/x - Step 3: Cross multiply
629,380.58x = 868,545.26 × 342,900.62 - Step 4: Simplify right side
629,380.58x = 297,824,708,152.06 - Step 5: Solve for x
x = 297,824,708,152.06/629,380.58 - Step 6: Final answer
x = 473,202.89
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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.