Finding the Fourth Proportional to 520,404.24, 718,148.49 and 294,044.88
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Solution
The fourth proportional to 520,404.24, 718,148.49 and 294,044.88 is: 405,776.65
Step by Step Solution
- Step 1: Write the proportion equation
520,404.24 : 718,148.49 = 294,044.88 : x - Step 2: Convert to fraction form
520,404.24/718,148.49 = 294,044.88/x - Step 3: Cross multiply
520,404.24x = 718,148.49 × 294,044.88 - Step 4: Simplify right side
520,404.24x = 211,167,886,564.23 - Step 5: Solve for x
x = 211,167,886,564.23/520,404.24 - Step 6: Final answer
x = 405,776.65
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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.