Finding the Fourth Proportional to 848,989.62, 1,171,691.52 and 486,461.58
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Solution
The fourth proportional to 848,989.62, 1,171,691.52 and 486,461.58 is: 671,366.17
Step by Step Solution
- Step 1: Write the proportion equation
848,989.62 : 1,171,691.52 = 486,461.58 : x - Step 2: Convert to fraction form
848,989.62/1,171,691.52 = 486,461.58/x - Step 3: Cross multiply
848,989.62x = 1,171,691.52 × 486,461.58 - Step 4: Simplify right side
848,989.62x = 569,982,908,091.80 - Step 5: Solve for x
x = 569,982,908,091.80/848,989.62 - Step 6: Final answer
x = 671,366.17
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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.