Finding the Fourth Proportional to 917,573.43, 1,376,373.99 and 318,553.64
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Solution
The fourth proportional to 917,573.43, 1,376,373.99 and 318,553.64 is: 477,835.27
Step by Step Solution
- Step 1: Write the proportion equation
917,573.43 : 1,376,373.99 = 318,553.64 : x - Step 2: Convert to fraction form
917,573.43/1,376,373.99 = 318,553.64/x - Step 3: Cross multiply
917,573.43x = 1,376,373.99 × 318,553.64 - Step 4: Simplify right side
917,573.43x = 438,448,944,515.82 - Step 5: Solve for x
x = 438,448,944,515.82/917,573.43 - Step 6: Final answer
x = 477,835.27
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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.