Finding the Fourth Proportional to 559,043.80, 771,472.74 and 304,394.98
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Solution
The fourth proportional to 559,043.80, 771,472.74 and 304,394.98 is: 420,060.88
Step by Step Solution
- Step 1: Write the proportion equation
559,043.80 : 771,472.74 = 304,394.98 : x - Step 2: Convert to fraction form
559,043.80/771,472.74 = 304,394.98/x - Step 3: Cross multiply
559,043.80x = 771,472.74 × 304,394.98 - Step 4: Simplify right side
559,043.80x = 234,832,429,262.85 - Step 5: Solve for x
x = 234,832,429,262.85/559,043.80 - Step 6: Final answer
x = 420,060.88
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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.