Finding the Fourth Proportional to 626,006.92, 863,909.10 and 354,069.49
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Solution
The fourth proportional to 626,006.92, 863,909.10 and 354,069.49 is: 488,626.95
Step by Step Solution
- Step 1: Write the proportion equation
626,006.92 : 863,909.10 = 354,069.49 : x - Step 2: Convert to fraction form
626,006.92/863,909.10 = 354,069.49/x - Step 3: Cross multiply
626,006.92x = 863,909.10 × 354,069.49 - Step 4: Simplify right side
626,006.92x = 305,883,854,443.36 - Step 5: Solve for x
x = 305,883,854,443.36/626,006.92 - Step 6: Final answer
x = 488,626.95
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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.