Finding the Fourth Proportional to 658,624.10, 985,603.35 and 448,672.10
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Solution
The fourth proportional to 658,624.10, 985,603.35 and 448,672.10 is: 671,418.99
Step by Step Solution
- Step 1: Write the proportion equation
658,624.10 : 985,603.35 = 448,672.10 : x - Step 2: Convert to fraction form
658,624.10/985,603.35 = 448,672.10/x - Step 3: Cross multiply
658,624.10x = 985,603.35 × 448,672.10 - Step 4: Simplify right side
658,624.10x = 442,212,724,811.54 - Step 5: Solve for x
x = 442,212,724,811.54/658,624.10 - Step 6: Final answer
x = 671,418.99
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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.