Finding the Fourth Proportional to 629,922.49, 869,366.84 and 358,031.26
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Solution
The fourth proportional to 629,922.49, 869,366.84 and 358,031.26 is: 494,125.08
Step by Step Solution
- Step 1: Write the proportion equation
629,922.49 : 869,366.84 = 358,031.26 : x - Step 2: Convert to fraction form
629,922.49/869,366.84 = 358,031.26/x - Step 3: Cross multiply
629,922.49x = 869,366.84 × 358,031.26 - Step 4: Simplify right side
629,922.49x = 311,260,498,990.43 - Step 5: Solve for x
x = 311,260,498,990.43/629,922.49 - Step 6: Final answer
x = 494,125.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.