Finding the Fourth Proportional to 893,487.18, 1,340,396.79 and 294,490.42
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Solution
The fourth proportional to 893,487.18, 1,340,396.79 and 294,490.42 is: 441,790.35
Step by Step Solution
- Step 1: Write the proportion equation
893,487.18 : 1,340,396.79 = 294,490.42 : x - Step 2: Convert to fraction form
893,487.18/1,340,396.79 = 294,490.42/x - Step 3: Cross multiply
893,487.18x = 1,340,396.79 × 294,490.42 - Step 4: Simplify right side
893,487.18x = 394,734,013,653.75 - Step 5: Solve for x
x = 394,734,013,653.75/893,487.18 - Step 6: Final answer
x = 441,790.35
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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.