Finding the Fourth Proportional to 757,644.14, 1,045,533.62 and 413,486.88
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Solution
The fourth proportional to 757,644.14, 1,045,533.62 and 413,486.88 is: 570,603.55
Step by Step Solution
- Step 1: Write the proportion equation
757,644.14 : 1,045,533.62 = 413,486.88 : x - Step 2: Convert to fraction form
757,644.14/1,045,533.62 = 413,486.88/x - Step 3: Cross multiply
757,644.14x = 1,045,533.62 × 413,486.88 - Step 4: Simplify right side
757,644.14x = 432,314,434,468.91 - Step 5: Solve for x
x = 432,314,434,468.91/757,644.14 - Step 6: Final answer
x = 570,603.55
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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.