Finding the Fourth Proportional to 479,341.42, 718,465.82 and 299,509.88
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Solution
The fourth proportional to 479,341.42, 718,465.82 and 299,509.88 is: 448,923.46
Step by Step Solution
- Step 1: Write the proportion equation
479,341.42 : 718,465.82 = 299,509.88 : x - Step 2: Convert to fraction form
479,341.42/718,465.82 = 299,509.88/x - Step 3: Cross multiply
479,341.42x = 718,465.82 × 299,509.88 - Step 4: Simplify right side
479,341.42x = 215,187,606,442.42 - Step 5: Solve for x
x = 215,187,606,442.42/479,341.42 - Step 6: Final answer
x = 448,923.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.