Finding the Fourth Proportional to 671,285.99, 1,006,931.69 and 271,934.31
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Solution
The fourth proportional to 671,285.99, 1,006,931.69 and 271,934.31 is: 407,902.56
Step by Step Solution
- Step 1: Write the proportion equation
671,285.99 : 1,006,931.69 = 271,934.31 : x - Step 2: Convert to fraction form
671,285.99/1,006,931.69 = 271,934.31/x - Step 3: Cross multiply
671,285.99x = 1,006,931.69 × 271,934.31 - Step 4: Simplify right side
671,285.99x = 273,819,272,977.61 - Step 5: Solve for x
x = 273,819,272,977.61/671,285.99 - Step 6: Final answer
x = 407,902.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.