Finding the Fourth Proportional to 913,353.84, 1,370,234.88 and 440,436.96
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Solution
The fourth proportional to 913,353.84, 1,370,234.88 and 440,436.96 is: 660,753.87
Step by Step Solution
- Step 1: Write the proportion equation
913,353.84 : 1,370,234.88 = 440,436.96 : x - Step 2: Convert to fraction form
913,353.84/1,370,234.88 = 440,436.96/x - Step 3: Cross multiply
913,353.84x = 1,370,234.88 × 440,436.96 - Step 4: Simplify right side
913,353.84x = 603,502,085,033.17 - Step 5: Solve for x
x = 603,502,085,033.17/913,353.84 - Step 6: Final answer
x = 660,753.87
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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.