Finding the Fourth Proportional to 782,302.23, 1,173,263.67 and 213,685.98
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Solution
The fourth proportional to 782,302.23, 1,173,263.67 and 213,685.98 is: 320,477.16
Step by Step Solution
- Step 1: Write the proportion equation
782,302.23 : 1,173,263.67 = 213,685.98 : x - Step 2: Convert to fraction form
782,302.23/1,173,263.67 = 213,685.98/x - Step 3: Cross multiply
782,302.23x = 1,173,263.67 × 213,685.98 - Step 4: Simplify right side
782,302.23x = 250,709,997,122.35 - Step 5: Solve for x
x = 250,709,997,122.35/782,302.23 - Step 6: Final answer
x = 320,477.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.