Finding the Fourth Proportional to 528,562.47, 729,416.69 and 286,845.08
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Solution
The fourth proportional to 528,562.47, 729,416.69 and 286,845.08 is: 395,846.47
Step by Step Solution
- Step 1: Write the proportion equation
528,562.47 : 729,416.69 = 286,845.08 : x - Step 2: Convert to fraction form
528,562.47/729,416.69 = 286,845.08/x - Step 3: Cross multiply
528,562.47x = 729,416.69 × 286,845.08 - Step 4: Simplify right side
528,562.47x = 209,229,588,796.39 - Step 5: Solve for x
x = 209,229,588,796.39/528,562.47 - Step 6: Final answer
x = 395,846.47
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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.