Finding the Fourth Proportional to 608,979.16, 840,469.76 and 367,392.21
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Solution
The fourth proportional to 608,979.16, 840,469.76 and 367,392.21 is: 507,048.62
Step by Step Solution
- Step 1: Write the proportion equation
608,979.16 : 840,469.76 = 367,392.21 : x - Step 2: Convert to fraction form
608,979.16/840,469.76 = 367,392.21/x - Step 3: Cross multiply
608,979.16x = 840,469.76 × 367,392.21 - Step 4: Simplify right side
608,979.16x = 308,782,042,564.57 - Step 5: Solve for x
x = 308,782,042,564.57/608,979.16 - Step 6: Final answer
x = 507,048.62
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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.