Finding the Fourth Proportional to 756,560.42, 1,044,047.08 and 412,390.08
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Solution
The fourth proportional to 756,560.42, 1,044,047.08 and 412,390.08 is: 569,094.88
Step by Step Solution
- Step 1: Write the proportion equation
756,560.42 : 1,044,047.08 = 412,390.08 : x - Step 2: Convert to fraction form
756,560.42/1,044,047.08 = 412,390.08/x - Step 3: Cross multiply
756,560.42x = 1,044,047.08 × 412,390.08 - Step 4: Simplify right side
756,560.42x = 430,554,658,844.97 - Step 5: Solve for x
x = 430,554,658,844.97/756,560.42 - Step 6: Final answer
x = 569,094.88
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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.