Finding the Fourth Proportional to 848,276.70, 1,272,415.05 and 488,077.80
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Solution
The fourth proportional to 848,276.70, 1,272,415.05 and 488,077.80 is: 732,116.70
Step by Step Solution
- Step 1: Write the proportion equation
848,276.70 : 1,272,415.05 = 488,077.80 : x - Step 2: Convert to fraction form
848,276.70/1,272,415.05 = 488,077.80/x - Step 3: Cross multiply
848,276.70x = 1,272,415.05 × 488,077.80 - Step 4: Simplify right side
848,276.70x = 621,037,538,290.89 - Step 5: Solve for x
x = 621,037,538,290.89/848,276.70 - Step 6: Final answer
x = 732,116.70
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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.