Finding the Fourth Proportional to 515,192.08, 772,788.48 and 414,881.68
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Solution
The fourth proportional to 515,192.08, 772,788.48 and 414,881.68 is: 622,322.81
Step by Step Solution
- Step 1: Write the proportion equation
515,192.08 : 772,788.48 = 414,881.68 : x - Step 2: Convert to fraction form
515,192.08/772,788.48 = 414,881.68/x - Step 3: Cross multiply
515,192.08x = 772,788.48 × 414,881.68 - Step 4: Simplify right side
515,192.08x = 320,615,782,867.05 - Step 5: Solve for x
x = 320,615,782,867.05/515,192.08 - Step 6: Final answer
x = 622,322.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.