Finding the Fourth Proportional to 985,286.09, 1,478,592.12 and 345,595.61
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Solution
The fourth proportional to 985,286.09, 1,478,592.12 and 345,595.61 is: 518,625.96
Step by Step Solution
- Step 1: Write the proportion equation
985,286.09 : 1,478,592.12 = 345,595.61 : x - Step 2: Convert to fraction form
985,286.09/1,478,592.12 = 345,595.61/x - Step 3: Cross multiply
985,286.09x = 1,478,592.12 × 345,595.61 - Step 4: Simplify right side
985,286.09x = 510,994,945,652.59 - Step 5: Solve for x
x = 510,994,945,652.59/985,286.09 - Step 6: Final answer
x = 518,625.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.