Finding the Fourth Proportional to 684,934.48, 1,027,408.78 and 305,874.53
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Solution
The fourth proportional to 684,934.48, 1,027,408.78 and 305,874.53 is: 458,814.94
Step by Step Solution
- Step 1: Write the proportion equation
684,934.48 : 1,027,408.78 = 305,874.53 : x - Step 2: Convert to fraction form
684,934.48/1,027,408.78 = 305,874.53/x - Step 3: Cross multiply
684,934.48x = 1,027,408.78 × 305,874.53 - Step 4: Simplify right side
684,934.48x = 314,258,172,563.33 - Step 5: Solve for x
x = 314,258,172,563.33/684,934.48 - Step 6: Final answer
x = 458,814.94
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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.