Finding the Fourth Proportional to 756,532.23, 1,044,007.77 and 412,368.21
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Solution
The fourth proportional to 756,532.23, 1,044,007.77 and 412,368.21 is: 569,064.47
Step by Step Solution
- Step 1: Write the proportion equation
756,532.23 : 1,044,007.77 = 412,368.21 : x - Step 2: Convert to fraction form
756,532.23/1,044,007.77 = 412,368.21/x - Step 3: Cross multiply
756,532.23x = 1,044,007.77 × 412,368.21 - Step 4: Simplify right side
756,532.23x = 430,515,615,340.99 - Step 5: Solve for x
x = 430,515,615,340.99/756,532.23 - Step 6: Final answer
x = 569,064.47
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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.