Finding the Fourth Proportional to 684,938.70, 1,027,408.05 and 370,010.70
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Solution
The fourth proportional to 684,938.70, 1,027,408.05 and 370,010.70 is: 555,016.05
Step by Step Solution
- Step 1: Write the proportion equation
684,938.70 : 1,027,408.05 = 370,010.70 : x - Step 2: Convert to fraction form
684,938.70/1,027,408.05 = 370,010.70/x - Step 3: Cross multiply
684,938.70x = 1,027,408.05 × 370,010.70 - Step 4: Simplify right side
684,938.70x = 380,151,971,766.14 - Step 5: Solve for x
x = 380,151,971,766.14/684,938.70 - Step 6: Final answer
x = 555,016.05
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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.