Finding the Fourth Proportional to 936,581.67, 1,292,486.40 and 506,861.69
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Solution
The fourth proportional to 936,581.67, 1,292,486.40 and 506,861.69 is: 699,471.13
Step by Step Solution
- Step 1: Write the proportion equation
936,581.67 : 1,292,486.40 = 506,861.69 : x - Step 2: Convert to fraction form
936,581.67/1,292,486.40 = 506,861.69/x - Step 3: Cross multiply
936,581.67x = 1,292,486.40 × 506,861.69 - Step 4: Simplify right side
936,581.67x = 655,111,834,543.58 - Step 5: Solve for x
x = 655,111,834,543.58/936,581.67 - Step 6: Final answer
x = 699,471.13
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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.