Finding the Fourth Proportional to 749,696.96, 1,124,368.80 and 276,125.12
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Solution
The fourth proportional to 749,696.96, 1,124,368.80 and 276,125.12 is: 414,122.62
Step by Step Solution
- Step 1: Write the proportion equation
749,696.96 : 1,124,368.80 = 276,125.12 : x - Step 2: Convert to fraction form
749,696.96/1,124,368.80 = 276,125.12/x - Step 3: Cross multiply
749,696.96x = 1,124,368.80 × 276,125.12 - Step 4: Simplify right side
749,696.96x = 310,466,469,824.26 - Step 5: Solve for x
x = 310,466,469,824.26/749,696.96 - Step 6: Final answer
x = 414,122.62
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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.