Finding the Fourth Proportional to 734,810.18, 1,013,968.06 and 412,446.38
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Solution
The fourth proportional to 734,810.18, 1,013,968.06 and 412,446.38 is: 569,136.72
Step by Step Solution
- Step 1: Write the proportion equation
734,810.18 : 1,013,968.06 = 412,446.38 : x - Step 2: Convert to fraction form
734,810.18/1,013,968.06 = 412,446.38/x - Step 3: Cross multiply
734,810.18x = 1,013,968.06 × 412,446.38 - Step 4: Simplify right side
734,810.18x = 418,207,449,681.67 - Step 5: Solve for x
x = 418,207,449,681.67/734,810.18 - Step 6: Final answer
x = 569,136.72
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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.