Finding the Fourth Proportional to 513,561.06, 708,735.42 and 284,114.59
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Solution
The fourth proportional to 513,561.06, 708,735.42 and 284,114.59 is: 392,089.84
Step by Step Solution
- Step 1: Write the proportion equation
513,561.06 : 708,735.42 = 284,114.59 : x - Step 2: Convert to fraction form
513,561.06/708,735.42 = 284,114.59/x - Step 3: Cross multiply
513,561.06x = 708,735.42 × 284,114.59 - Step 4: Simplify right side
513,561.06x = 201,362,071,499.94 - Step 5: Solve for x
x = 201,362,071,499.94/513,561.06 - Step 6: Final answer
x = 392,089.84
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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.