Finding the Fourth Proportional to 815,125.60, 1,222,295.12 and 341,683.84
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Solution
The fourth proportional to 815,125.60, 1,222,295.12 and 341,683.84 is: 512,360.91
Step by Step Solution
- Step 1: Write the proportion equation
815,125.60 : 1,222,295.12 = 341,683.84 : x - Step 2: Convert to fraction form
815,125.60/1,222,295.12 = 341,683.84/x - Step 3: Cross multiply
815,125.60x = 1,222,295.12 × 341,683.84 - Step 4: Simplify right side
815,125.60x = 417,638,490,214.86 - Step 5: Solve for x
x = 417,638,490,214.86/815,125.60 - Step 6: Final answer
x = 512,360.91
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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.