Finding the Fourth Proportional to 884,743.12, 1,321,113.70 and 702,786.08
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Solution
The fourth proportional to 884,743.12, 1,321,113.70 and 702,786.08 is: 1,049,412.31
Step by Step Solution
- Step 1: Write the proportion equation
884,743.12 : 1,321,113.70 = 702,786.08 : x - Step 2: Convert to fraction form
884,743.12/1,321,113.70 = 702,786.08/x - Step 3: Cross multiply
884,743.12x = 1,321,113.70 × 702,786.08 - Step 4: Simplify right side
884,743.12x = 928,460,318,457.30 - Step 5: Solve for x
x = 928,460,318,457.30/884,743.12 - Step 6: Final answer
x = 1,049,412.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.