Finding the Fourth Proportional to 520,374.24, 718,107.12 and 294,014.88
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Solution
The fourth proportional to 520,374.24, 718,107.12 and 294,014.88 is: 405,735.26
Step by Step Solution
- Step 1: Write the proportion equation
520,374.24 : 718,107.12 = 294,014.88 : x - Step 2: Convert to fraction form
520,374.24/718,107.12 = 294,014.88/x - Step 3: Cross multiply
520,374.24x = 718,107.12 × 294,014.88 - Step 4: Simplify right side
520,374.24x = 211,134,178,713.95 - Step 5: Solve for x
x = 211,134,178,713.95/520,374.24 - Step 6: Final answer
x = 405,735.26
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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.