Finding the Fourth Proportional to 528,094.94, 728,771.20 and 286,377.44
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Solution
The fourth proportional to 528,094.94, 728,771.20 and 286,377.44 is: 395,200.96
Step by Step Solution
- Step 1: Write the proportion equation
528,094.94 : 728,771.20 = 286,377.44 : x - Step 2: Convert to fraction form
528,094.94/728,771.20 = 286,377.44/x - Step 3: Cross multiply
528,094.94x = 728,771.20 × 286,377.44 - Step 4: Simplify right side
528,094.94x = 208,703,626,241.93 - Step 5: Solve for x
x = 208,703,626,241.93/528,094.94 - Step 6: Final answer
x = 395,200.96
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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.