Finding the Fourth Proportional to 549,664.68, 758,617.40 and 307,963.62
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Solution
The fourth proportional to 549,664.68, 758,617.40 and 307,963.62 is: 425,034.69
Step by Step Solution
- Step 1: Write the proportion equation
549,664.68 : 758,617.40 = 307,963.62 : x - Step 2: Convert to fraction form
549,664.68/758,617.40 = 307,963.62/x - Step 3: Cross multiply
549,664.68x = 758,617.40 × 307,963.62 - Step 4: Simplify right side
549,664.68x = 233,626,559,736.60 - Step 5: Solve for x
x = 233,626,559,736.60/549,664.68 - Step 6: Final answer
x = 425,034.69
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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.