Finding the Fourth Proportional to 512,464.05, 707,495.45 and 340,614.99
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Solution
The fourth proportional to 512,464.05, 707,495.45 and 340,614.99 is: 470,244.80
Step by Step Solution
- Step 1: Write the proportion equation
512,464.05 : 707,495.45 = 340,614.99 : x - Step 2: Convert to fraction form
512,464.05/707,495.45 = 340,614.99/x - Step 3: Cross multiply
512,464.05x = 707,495.45 × 340,614.99 - Step 4: Simplify right side
512,464.05x = 240,983,553,923.72 - Step 5: Solve for x
x = 240,983,553,923.72/512,464.05 - Step 6: Final answer
x = 470,244.80
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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.