Finding the Fourth Proportional to 916,737.35, 1,376,455.53 and 512,721.09
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Solution
The fourth proportional to 916,737.35, 1,376,455.53 and 512,721.09 is: 769,836.40
Step by Step Solution
- Step 1: Write the proportion equation
916,737.35 : 1,376,455.53 = 512,721.09 : x - Step 2: Convert to fraction form
916,737.35/1,376,455.53 = 512,721.09/x - Step 3: Cross multiply
916,737.35x = 1,376,455.53 × 512,721.09 - Step 4: Simplify right side
916,737.35x = 705,737,778,716.78 - Step 5: Solve for x
x = 705,737,778,716.78/916,737.35 - Step 6: Final answer
x = 769,836.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.