Finding the Fourth Proportional to 752,415.36, 1,128,601.17 and 219,948.90
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Solution
The fourth proportional to 752,415.36, 1,128,601.17 and 219,948.90 is: 329,916.96
Step by Step Solution
- Step 1: Write the proportion equation
752,415.36 : 1,128,601.17 = 219,948.90 : x - Step 2: Convert to fraction form
752,415.36/1,128,601.17 = 219,948.90/x - Step 3: Cross multiply
752,415.36x = 1,128,601.17 × 219,948.90 - Step 4: Simplify right side
752,415.36x = 248,234,585,880.21 - Step 5: Solve for x
x = 248,234,585,880.21/752,415.36 - Step 6: Final answer
x = 329,916.96
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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.