Finding the Fourth Proportional to 739,457.19, 1,020,497.58 and 417,049.65
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Solution
The fourth proportional to 739,457.19, 1,020,497.58 and 417,049.65 is: 575,554.83
Step by Step Solution
- Step 1: Write the proportion equation
739,457.19 : 1,020,497.58 = 417,049.65 : x - Step 2: Convert to fraction form
739,457.19/1,020,497.58 = 417,049.65/x - Step 3: Cross multiply
739,457.19x = 1,020,497.58 × 417,049.65 - Step 4: Simplify right side
739,457.19x = 425,598,158,564.85 - Step 5: Solve for x
x = 425,598,158,564.85/739,457.19 - Step 6: Final answer
x = 575,554.83
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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.