Finding the Fourth Proportional to 527,289.84, 727,660.41 and 285,572.88
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Solution
The fourth proportional to 527,289.84, 727,660.41 and 285,572.88 is: 394,090.81
Step by Step Solution
- Step 1: Write the proportion equation
527,289.84 : 727,660.41 = 285,572.88 : x - Step 2: Convert to fraction form
527,289.84/727,660.41 = 285,572.88/x - Step 3: Cross multiply
527,289.84x = 727,660.41 × 285,572.88 - Step 4: Simplify right side
527,289.84x = 207,800,078,945.68 - Step 5: Solve for x
x = 207,800,078,945.68/527,289.84 - Step 6: Final answer
x = 394,090.81
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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.