Finding the Fourth Proportional to 877,935.57, 1,316,893.76 and 213,087.57
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Solution
The fourth proportional to 877,935.57, 1,316,893.76 and 213,087.57 is: 319,629.02
Step by Step Solution
- Step 1: Write the proportion equation
877,935.57 : 1,316,893.76 = 213,087.57 : x - Step 2: Convert to fraction form
877,935.57/1,316,893.76 = 213,087.57/x - Step 3: Cross multiply
877,935.57x = 1,316,893.76 × 213,087.57 - Step 4: Simplify right side
877,935.57x = 280,613,690,201.13 - Step 5: Solve for x
x = 280,613,690,201.13/877,935.57 - Step 6: Final answer
x = 319,629.02
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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.