Finding the Fourth Proportional to 658,364.63, 908,543.18 and 356,558.63
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Solution
The fourth proportional to 658,364.63, 908,543.18 and 356,558.63 is: 492,050.90
Step by Step Solution
- Step 1: Write the proportion equation
658,364.63 : 908,543.18 = 356,558.63 : x - Step 2: Convert to fraction form
658,364.63/908,543.18 = 356,558.63/x - Step 3: Cross multiply
658,364.63x = 908,543.18 × 356,558.63 - Step 4: Simplify right side
658,364.63x = 323,948,907,905.32 - Step 5: Solve for x
x = 323,948,907,905.32/658,364.63 - Step 6: Final answer
x = 492,050.90
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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.