Finding the Fourth Proportional to 501,576.07, 692,174.99 and 286,720.93
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Solution
The fourth proportional to 501,576.07, 692,174.99 and 286,720.93 is: 395,674.89
Step by Step Solution
- Step 1: Write the proportion equation
501,576.07 : 692,174.99 = 286,720.93 : x - Step 2: Convert to fraction form
501,576.07/692,174.99 = 286,720.93/x - Step 3: Cross multiply
501,576.07x = 692,174.99 × 286,720.93 - Step 4: Simplify right side
501,576.07x = 198,461,056,855.54 - Step 5: Solve for x
x = 198,461,056,855.54/501,576.07 - Step 6: Final answer
x = 395,674.89
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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.