Finding the Fourth Proportional to 528,657.00, 729,527.09 and 286,934.38
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Solution
The fourth proportional to 528,657.00, 729,527.09 and 286,934.38 is: 395,958.82
Step by Step Solution
- Step 1: Write the proportion equation
528,657.00 : 729,527.09 = 286,934.38 : x - Step 2: Convert to fraction form
528,657.00/729,527.09 = 286,934.38/x - Step 3: Cross multiply
528,657.00x = 729,527.09 × 286,934.38 - Step 4: Simplify right side
528,657.00x = 209,326,400,003.87 - Step 5: Solve for x
x = 209,326,400,003.87/528,657.00 - Step 6: Final answer
x = 395,958.82
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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.