Finding the Fourth Proportional to 740,091.93, 1,021,319.60 and 417,795.09
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Solution
The fourth proportional to 740,091.93, 1,021,319.60 and 417,795.09 is: 576,553.12
Step by Step Solution
- Step 1: Write the proportion equation
740,091.93 : 1,021,319.60 = 417,795.09 : x - Step 2: Convert to fraction form
740,091.93/1,021,319.60 = 417,795.09/x - Step 3: Cross multiply
740,091.93x = 1,021,319.60 × 417,795.09 - Step 4: Simplify right side
740,091.93x = 426,702,312,111.79 - Step 5: Solve for x
x = 426,702,312,111.79/740,091.93 - Step 6: Final answer
x = 576,553.12
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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.