Finding the Fourth Proportional to 432,557.16, 647,930.97 and 347,858.70
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Solution
The fourth proportional to 432,557.16, 647,930.97 and 347,858.70 is: 521,060.44
Step by Step Solution
- Step 1: Write the proportion equation
432,557.16 : 647,930.97 = 347,858.70 : x - Step 2: Convert to fraction form
432,557.16/647,930.97 = 347,858.70/x - Step 3: Cross multiply
432,557.16x = 647,930.97 × 347,858.70 - Step 4: Simplify right side
432,557.16x = 225,388,424,913.94 - Step 5: Solve for x
x = 225,388,424,913.94/432,557.16 - Step 6: Final answer
x = 521,060.44
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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.