Finding the Fourth Proportional to 751,777.97, 1,128,227.40 and 302,502.65
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Solution
The fourth proportional to 751,777.97, 1,128,227.40 and 302,502.65 is: 453,979.49
Step by Step Solution
- Step 1: Write the proportion equation
751,777.97 : 1,128,227.40 = 302,502.65 : x - Step 2: Convert to fraction form
751,777.97/1,128,227.40 = 302,502.65/x - Step 3: Cross multiply
751,777.97x = 1,128,227.40 × 302,502.65 - Step 4: Simplify right side
751,777.97x = 341,291,778,302.61 - Step 5: Solve for x
x = 341,291,778,302.61/751,777.97 - Step 6: Final answer
x = 453,979.49
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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.