Finding the Fourth Proportional to 676,236.75, 933,235.92 and 374,430.75
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Solution
The fourth proportional to 676,236.75, 933,235.92 and 374,430.75 is: 516,730.61
Step by Step Solution
- Step 1: Write the proportion equation
676,236.75 : 933,235.92 = 374,430.75 : x - Step 2: Convert to fraction form
676,236.75/933,235.92 = 374,430.75/x - Step 3: Cross multiply
676,236.75x = 933,235.92 × 374,430.75 - Step 4: Simplify right side
676,236.75x = 349,432,225,452.54 - Step 5: Solve for x
x = 349,432,225,452.54/676,236.75 - Step 6: Final answer
x = 516,730.61
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Double scale
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1.5x scale
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.