Finding the Fourth Proportional to 875,393.92, 1,208,136.50 and 513,122.16
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Solution
The fourth proportional to 875,393.92, 1,208,136.50 and 513,122.16 is: 708,163.02
Step by Step Solution
- Step 1: Write the proportion equation
875,393.92 : 1,208,136.50 = 513,122.16 : x - Step 2: Convert to fraction form
875,393.92/1,208,136.50 = 513,122.16/x - Step 3: Cross multiply
875,393.92x = 1,208,136.50 × 513,122.16 - Step 4: Simplify right side
875,393.92x = 619,921,607,548.18 - Step 5: Solve for x
x = 619,921,607,548.18/875,393.92 - Step 6: Final answer
x = 708,163.02
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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.