Finding the Fourth Proportional to 868,475.52, 1,302,557.12 and 307,512.96
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Solution
The fourth proportional to 868,475.52, 1,302,557.12 and 307,512.96 is: 461,214.15
Step by Step Solution
- Step 1: Write the proportion equation
868,475.52 : 1,302,557.12 = 307,512.96 : x - Step 2: Convert to fraction form
868,475.52/1,302,557.12 = 307,512.96/x - Step 3: Cross multiply
868,475.52x = 1,302,557.12 × 307,512.96 - Step 4: Simplify right side
868,475.52x = 400,553,195,540.28 - Step 5: Solve for x
x = 400,553,195,540.28/868,475.52 - Step 6: Final answer
x = 461,214.15
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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.