Finding the Fourth Proportional to 740,090.93, 1,021,318.22 and 417,794.09
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Solution
The fourth proportional to 740,090.93, 1,021,318.22 and 417,794.09 is: 576,551.74
Step by Step Solution
- Step 1: Write the proportion equation
740,090.93 : 1,021,318.22 = 417,794.09 : x - Step 2: Convert to fraction form
740,090.93/1,021,318.22 = 417,794.09/x - Step 3: Cross multiply
740,090.93x = 1,021,318.22 × 417,794.09 - Step 4: Simplify right side
740,090.93x = 426,700,714,236.35 - Step 5: Solve for x
x = 426,700,714,236.35/740,090.93 - Step 6: Final answer
x = 576,551.74
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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.