Finding the Fourth Proportional to 738,045.11, 1,018,512.50 and 411,349.08
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Solution
The fourth proportional to 738,045.11, 1,018,512.50 and 411,349.08 is: 567,667.44
Step by Step Solution
- Step 1: Write the proportion equation
738,045.11 : 1,018,512.50 = 411,349.08 : x - Step 2: Convert to fraction form
738,045.11/1,018,512.50 = 411,349.08/x - Step 3: Cross multiply
738,045.11x = 1,018,512.50 × 411,349.08 - Step 4: Simplify right side
738,045.11x = 418,964,179,251.25 - Step 5: Solve for x
x = 418,964,179,251.25/738,045.11 - Step 6: Final answer
x = 567,667.44
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1.5x scale
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.