Finding the Fourth Proportional to 720,861.36, 1,086,158.09 and 597,252.12
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Solution
The fourth proportional to 720,861.36, 1,086,158.09 and 597,252.12 is: 899,909.82
Step by Step Solution
- Step 1: Write the proportion equation
720,861.36 : 1,086,158.09 = 597,252.12 : x - Step 2: Convert to fraction form
720,861.36/1,086,158.09 = 597,252.12/x - Step 3: Cross multiply
720,861.36x = 1,086,158.09 × 597,252.12 - Step 4: Simplify right side
720,861.36x = 648,710,218,921.39 - Step 5: Solve for x
x = 648,710,218,921.39/720,861.36 - Step 6: Final answer
x = 899,909.82
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.