Finding the Fourth Proportional to 764,212.75, 1,053,502.09 and 534,055.47
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Solution
The fourth proportional to 764,212.75, 1,053,502.09 and 534,055.47 is: 736,219.79
Step by Step Solution
- Step 1: Write the proportion equation
764,212.75 : 1,053,502.09 = 534,055.47 : x - Step 2: Convert to fraction form
764,212.75/1,053,502.09 = 534,055.47/x - Step 3: Cross multiply
764,212.75x = 1,053,502.09 × 534,055.47 - Step 4: Simplify right side
764,212.75x = 562,628,553,820.93 - Step 5: Solve for x
x = 562,628,553,820.93/764,212.75 - Step 6: Final answer
x = 736,219.79
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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.