Finding the Fourth Proportional to 529,157.92, 797,266.99 and 478,615.24
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Solution
The fourth proportional to 529,157.92, 797,266.99 and 478,615.24 is: 721,115.79
Step by Step Solution
- Step 1: Write the proportion equation
529,157.92 : 797,266.99 = 478,615.24 : x - Step 2: Convert to fraction form
529,157.92/797,266.99 = 478,615.24/x - Step 3: Cross multiply
529,157.92x = 797,266.99 × 478,615.24 - Step 4: Simplify right side
529,157.92x = 381,584,131,762.93 - Step 5: Solve for x
x = 381,584,131,762.93/529,157.92 - Step 6: Final answer
x = 721,115.79
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.