Finding the Fourth Proportional to 908,741.40, 1,254,011.96 and 500,841.99
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Solution
The fourth proportional to 908,741.40, 1,254,011.96 and 500,841.99 is: 691,133.74
Step by Step Solution
- Step 1: Write the proportion equation
908,741.40 : 1,254,011.96 = 500,841.99 : x - Step 2: Convert to fraction form
908,741.40/1,254,011.96 = 500,841.99/x - Step 3: Cross multiply
908,741.40x = 1,254,011.96 × 500,841.99 - Step 4: Simplify right side
908,741.40x = 628,061,843,025.99 - Step 5: Solve for x
x = 628,061,843,025.99/908,741.40 - Step 6: Final answer
x = 691,133.74
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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.