Finding the Fourth Proportional to 894,434.56, 1,234,328.96 and 512,453.12
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Solution
The fourth proportional to 894,434.56, 1,234,328.96 and 512,453.12 is: 707,190.62
Step by Step Solution
- Step 1: Write the proportion equation
894,434.56 : 1,234,328.96 = 512,453.12 : x - Step 2: Convert to fraction form
894,434.56/1,234,328.96 = 512,453.12/x - Step 3: Cross multiply
894,434.56x = 1,234,328.96 × 512,453.12 - Step 4: Simplify right side
894,434.56x = 632,535,726,658.36 - Step 5: Solve for x
x = 632,535,726,658.36/894,434.56 - Step 6: Final answer
x = 707,190.62
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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.