Finding the Fourth Proportional to 658,111.68, 987,562.24 and 284,134.40
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Solution
The fourth proportional to 658,111.68, 987,562.24 and 284,134.40 is: 426,372.02
Step by Step Solution
- Step 1: Write the proportion equation
658,111.68 : 987,562.24 = 284,134.40 : x - Step 2: Convert to fraction form
658,111.68/987,562.24 = 284,134.40/x - Step 3: Cross multiply
658,111.68x = 987,562.24 × 284,134.40 - Step 4: Simplify right side
658,111.68x = 280,600,404,525.06 - Step 5: Solve for x
x = 280,600,404,525.06/658,111.68 - Step 6: Final answer
x = 426,372.02
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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.