Finding the Fourth Proportional to 629,991.23, 869,369.24 and 358,088.81
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Solution
The fourth proportional to 629,991.23, 869,369.24 and 358,088.81 is: 494,151.95
Step by Step Solution
- Step 1: Write the proportion equation
629,991.23 : 869,369.24 = 358,088.81 : x - Step 2: Convert to fraction form
629,991.23/869,369.24 = 358,088.81/x - Step 3: Cross multiply
629,991.23x = 869,369.24 × 358,088.81 - Step 4: Simplify right side
629,991.23x = 311,311,394,811.76 - Step 5: Solve for x
x = 311,311,394,811.76/629,991.23 - Step 6: Final answer
x = 494,151.95
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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.