Finding the Fourth Proportional to 738,349.20, 1,107,523.80 and 607,129.20
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Solution
The fourth proportional to 738,349.20, 1,107,523.80 and 607,129.20 is: 910,693.80
Step by Step Solution
- Step 1: Write the proportion equation
738,349.20 : 1,107,523.80 = 607,129.20 : x - Step 2: Convert to fraction form
738,349.20/1,107,523.80 = 607,129.20/x - Step 3: Cross multiply
738,349.20x = 1,107,523.80 × 607,129.20 - Step 4: Simplify right side
738,349.20x = 672,410,038,674.96 - Step 5: Solve for x
x = 672,410,038,674.96/738,349.20 - Step 6: Final answer
x = 910,693.80
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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.