Finding the Fourth Proportional to 814,576.84, 1,124,062.02 and 451,977.72
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Solution
The fourth proportional to 814,576.84, 1,124,062.02 and 451,977.72 is: 623,699.28
Step by Step Solution
- Step 1: Write the proportion equation
814,576.84 : 1,124,062.02 = 451,977.72 : x - Step 2: Convert to fraction form
814,576.84/1,124,062.02 = 451,977.72/x - Step 3: Cross multiply
814,576.84x = 1,124,062.02 × 451,977.72 - Step 4: Simplify right side
814,576.84x = 508,050,988,938.19 - Step 5: Solve for x
x = 508,050,988,938.19/814,576.84 - Step 6: Final answer
x = 623,699.28
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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.