Finding the Fourth Proportional to 739,327.24, 1,020,271.98 and 399,795.49
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Solution
The fourth proportional to 739,327.24, 1,020,271.98 and 399,795.49 is: 551,717.99
Step by Step Solution
- Step 1: Write the proportion equation
739,327.24 : 1,020,271.98 = 399,795.49 : x - Step 2: Convert to fraction form
739,327.24/1,020,271.98 = 399,795.49/x - Step 3: Cross multiply
739,327.24x = 1,020,271.98 × 399,795.49 - Step 4: Simplify right side
739,327.24x = 407,900,136,177.37 - Step 5: Solve for x
x = 407,900,136,177.37/739,327.24 - Step 6: Final answer
x = 551,717.99
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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.