Finding the Fourth Proportional to 754,428.68, 1,041,090.84 and 414,896.92
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Solution
The fourth proportional to 754,428.68, 1,041,090.84 and 414,896.92 is: 572,546.34
Step by Step Solution
- Step 1: Write the proportion equation
754,428.68 : 1,041,090.84 = 414,896.92 : x - Step 2: Convert to fraction form
754,428.68/1,041,090.84 = 414,896.92/x - Step 3: Cross multiply
754,428.68x = 1,041,090.84 × 414,896.92 - Step 4: Simplify right side
754,428.68x = 431,945,382,956.21 - Step 5: Solve for x
x = 431,945,382,956.21/754,428.68 - Step 6: Final answer
x = 572,546.34
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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.