Finding the Fourth Proportional to 648,148.23, 894,311.01 and 372,452.79
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Solution
The fourth proportional to 648,148.23, 894,311.01 and 372,452.79 is: 513,908.11
Step by Step Solution
- Step 1: Write the proportion equation
648,148.23 : 894,311.01 = 372,452.79 : x - Step 2: Convert to fraction form
648,148.23/894,311.01 = 372,452.79/x - Step 3: Cross multiply
648,148.23x = 894,311.01 × 372,452.79 - Step 4: Simplify right side
648,148.23x = 333,088,630,802.22 - Step 5: Solve for x
x = 333,088,630,802.22/648,148.23 - Step 6: Final answer
x = 513,908.11
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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.