Finding the Fourth Proportional to 648,006.36, 894,249.35 and 361,526.54
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Solution
The fourth proportional to 648,006.36, 894,249.35 and 361,526.54 is: 498,906.94
Step by Step Solution
- Step 1: Write the proportion equation
648,006.36 : 894,249.35 = 361,526.54 : x - Step 2: Convert to fraction form
648,006.36/894,249.35 = 361,526.54/x - Step 3: Cross multiply
648,006.36x = 894,249.35 × 361,526.54 - Step 4: Simplify right side
648,006.36x = 323,294,867,123.87 - Step 5: Solve for x
x = 323,294,867,123.87/648,006.36 - Step 6: Final answer
x = 498,906.94
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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.