Finding the Fourth Proportional to 808,641.05, 1,213,106.81 and 276,037.49
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Solution
The fourth proportional to 808,641.05, 1,213,106.81 and 276,037.49 is: 414,105.82
Step by Step Solution
- Step 1: Write the proportion equation
808,641.05 : 1,213,106.81 = 276,037.49 : x - Step 2: Convert to fraction form
808,641.05/1,213,106.81 = 276,037.49/x - Step 3: Cross multiply
808,641.05x = 1,213,106.81 × 276,037.49 - Step 4: Simplify right side
808,641.05x = 334,862,960,586.89 - Step 5: Solve for x
x = 334,862,960,586.89/808,641.05 - Step 6: Final answer
x = 414,105.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.