Finding the Fourth Proportional to 629,972.57, 869,340.49 and 358,035.73
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Solution
The fourth proportional to 629,972.57, 869,340.49 and 358,035.73 is: 494,076.99
Step by Step Solution
- Step 1: Write the proportion equation
629,972.57 : 869,340.49 = 358,035.73 : x - Step 2: Convert to fraction form
629,972.57/869,340.49 = 358,035.73/x - Step 3: Cross multiply
629,972.57x = 869,340.49 × 358,035.73 - Step 4: Simplify right side
629,972.57x = 311,254,953,887.27 - Step 5: Solve for x
x = 311,254,953,887.27/629,972.57 - Step 6: Final answer
x = 494,076.99
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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.