Finding the Fourth Proportional to 566,286.53, 781,474.97 and 311,637.73
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Solution
The fourth proportional to 566,286.53, 781,474.97 and 311,637.73 is: 430,059.81
Step by Step Solution
- Step 1: Write the proportion equation
566,286.53 : 781,474.97 = 311,637.73 : x - Step 2: Convert to fraction form
566,286.53/781,474.97 = 311,637.73/x - Step 3: Cross multiply
566,286.53x = 781,474.97 × 311,637.73 - Step 4: Simplify right side
566,286.53x = 243,537,080,237.06 - Step 5: Solve for x
x = 243,537,080,237.06/566,286.53 - Step 6: Final answer
x = 430,059.81
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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.