Finding the Fourth Proportional to 528,816.26, 729,043.44 and 363,239.20
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Solution
The fourth proportional to 528,816.26, 729,043.44 and 363,239.20 is: 500,773.47
Step by Step Solution
- Step 1: Write the proportion equation
528,816.26 : 729,043.44 = 363,239.20 : x - Step 2: Convert to fraction form
528,816.26/729,043.44 = 363,239.20/x - Step 3: Cross multiply
528,816.26x = 729,043.44 × 363,239.20 - Step 4: Simplify right side
528,816.26x = 264,817,155,460.01 - Step 5: Solve for x
x = 264,817,155,460.01/528,816.26 - Step 6: Final answer
x = 500,773.47
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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.