Finding the Fourth Proportional to 520,412.24, 718,159.56 and 294,052.88
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Solution
The fourth proportional to 520,412.24, 718,159.56 and 294,052.88 is: 405,787.70
Step by Step Solution
- Step 1: Write the proportion equation
520,412.24 : 718,159.56 = 294,052.88 : x - Step 2: Convert to fraction form
520,412.24/718,159.56 = 294,052.88/x - Step 3: Cross multiply
520,412.24x = 718,159.56 × 294,052.88 - Step 4: Simplify right side
520,412.24x = 211,176,886,917.53 - Step 5: Solve for x
x = 211,176,886,917.53/520,412.24 - Step 6: Final answer
x = 405,787.70
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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.