Finding the Fourth Proportional to 637,755.24, 880,069.01 and 396,032.70
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Solution
The fourth proportional to 637,755.24, 880,069.01 and 396,032.70 is: 546,504.49
Step by Step Solution
- Step 1: Write the proportion equation
637,755.24 : 880,069.01 = 396,032.70 : x - Step 2: Convert to fraction form
637,755.24/880,069.01 = 396,032.70/x - Step 3: Cross multiply
637,755.24x = 880,069.01 × 396,032.70 - Step 4: Simplify right side
637,755.24x = 348,536,104,236.46 - Step 5: Solve for x
x = 348,536,104,236.46/637,755.24 - Step 6: Final answer
x = 546,504.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.