Finding the Fourth Proportional to 579,706.24, 799,655.68 and 364,505.60
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Solution
The fourth proportional to 579,706.24, 799,655.68 and 364,505.60 is: 502,804.62
Step by Step Solution
- Step 1: Write the proportion equation
579,706.24 : 799,655.68 = 364,505.60 : x - Step 2: Convert to fraction form
579,706.24/799,655.68 = 364,505.60/x - Step 3: Cross multiply
579,706.24x = 799,655.68 × 364,505.60 - Step 4: Simplify right side
579,706.24x = 291,478,973,431.81 - Step 5: Solve for x
x = 291,478,973,431.81/579,706.24 - Step 6: Final answer
x = 502,804.62
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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.