Finding the Fourth Proportional to 896,547.80, 1,344,821.70 and 327,927.80
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Solution
The fourth proportional to 896,547.80, 1,344,821.70 and 327,927.80 is: 491,891.70
Step by Step Solution
- Step 1: Write the proportion equation
896,547.80 : 1,344,821.70 = 327,927.80 : x - Step 2: Convert to fraction form
896,547.80/1,344,821.70 = 327,927.80/x - Step 3: Cross multiply
896,547.80x = 1,344,821.70 × 327,927.80 - Step 4: Simplify right side
896,547.80x = 441,004,421,473.26 - Step 5: Solve for x
x = 441,004,421,473.26/896,547.80 - Step 6: Final answer
x = 491,891.70
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1.5x scale
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.