Finding the Fourth Proportional to 520,394.24, 718,134.72 and 294,034.88
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Solution
The fourth proportional to 520,394.24, 718,134.72 and 294,034.88 is: 405,762.86
Step by Step Solution
- Step 1: Write the proportion equation
520,394.24 : 718,134.72 = 294,034.88 : x - Step 2: Convert to fraction form
520,394.24/718,134.72 = 294,034.88/x - Step 3: Cross multiply
520,394.24x = 718,134.72 × 294,034.88 - Step 4: Simplify right side
520,394.24x = 211,156,656,219.03 - Step 5: Solve for x
x = 211,156,656,219.03/520,394.24 - Step 6: Final answer
x = 405,762.86
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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.