Finding the Fourth Proportional to 648,324.18, 894,688.44 and 361,844.19
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Solution
The fourth proportional to 648,324.18, 894,688.44 and 361,844.19 is: 499,345.58
Step by Step Solution
- Step 1: Write the proportion equation
648,324.18 : 894,688.44 = 361,844.19 : x - Step 2: Convert to fraction form
648,324.18/894,688.44 = 361,844.19/x - Step 3: Cross multiply
648,324.18x = 894,688.44 × 361,844.19 - Step 4: Simplify right side
648,324.18x = 323,737,813,874.16 - Step 5: Solve for x
x = 323,737,813,874.16/648,324.18 - Step 6: Final answer
x = 499,345.58
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1.5x scale
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.