Finding the Fourth Proportional to 908,697.05, 1,253,945.58 and 500,776.12
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Solution
The fourth proportional to 908,697.05, 1,253,945.58 and 500,776.12 is: 691,039.99
Step by Step Solution
- Step 1: Write the proportion equation
908,697.05 : 1,253,945.58 = 500,776.12 : x - Step 2: Convert to fraction form
908,697.05/1,253,945.58 = 500,776.12/x - Step 3: Cross multiply
908,697.05x = 1,253,945.58 × 500,776.12 - Step 4: Simplify right side
908,697.05x = 627,946,001,933.07 - Step 5: Solve for x
x = 627,946,001,933.07/908,697.05 - Step 6: Final answer
x = 691,039.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.